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Problem-Based Learning Approach to Review the Principles of Green Chemistry Applied to a Polycondensation Reaction

David Salgado-Chavarría, Joaquín Palacios-Alquisira • Science Education International (2021)

Science Education International ¦ Volume 32 ¦ Issue 2 107 ORIGINAL ARTICLE INTRODUCTION The problem-based learning (PBL) methodology is a student-centered approach that is related to the learning process that occurs when students deal w...

DOAJ Open Access (DOAJ) DOI: 10.33828/sei.v32.i2.3

The Effect of Time on the Activation of Bayah Natural Zeolite for Application of Palm Oil Shell Pyrolysis

Endang Suhendi, Teguh Kurniawan, Adian Yoga Pradana, Vicky Zayan Giffari • Bulletin of Chemical Reaction Engineering & Catalysis (2021)

Oil palm shell (OPS) constitutes 60% of the waste generated during the processing of palm oil. However, OPS can potentially be converted into energy and chemicals through pyrolysis. The purpose of this study is to determine and analyse the ...

DOAJ Open Access (DOAJ) DOI: 10.9767/bcrec.16.3.10313.588-600

Tatsuno architectural style in Manchuria

Дмитрий Целуйко, Татьяна Смольянинова • Проект Байкал (2023)

The main goal of the article is to study the transformation of the style of banking and consular institutions in Manchuria in comparison with its Japanese counterparts. The first part of the work provides an introduction and indicates the r...

DOAJ Open Access (DOAJ) DOI: 10.51461/issn.2309-3072/77.2192

PROCESS AND STRATEGY ANALYSIS IN LEARNING TO DRAW MOUNTAINS IN THE SBDP SUBJECT FOR GRADE 4 AT SD 2 KARANGMALANG

Janita Putri Dwihana, Wasis Wijayanto • Eduarts: Jurnal Pendidikan Seni (2025)

Art education in elementary schools, particularly drawing mountains in the Arts, Culture, and Crafts (SBDP) subject, serves as a means to develop students' creativity, motor skills, and self-expression. This study aims to analyze the proces...

DOAJ Open Access (DOAJ) DOI: 10.15294/eduarts.v14i4.40563

Identification of Geodiversity and Geosite Assessment around Geohazard Area of Suoh Aspiring Geopark in West Lampung, Sumatra, Indonesia

Dicky Muslim, Zufialdi Zakaria, Heryadi Rachmat, Prahara Iqbal et al. • Resources (2022)

Indonesia has been actively promoting the Sustainable Development Goals (SDGs) agreed upon at the United Nations General Assembly in 2015. Pursuing economic expansion through extraction of natural resources is an obsolete paradigm that is b...

DOAJ Open Access (DOAJ) DOI: 10.3390/resources11110104

R-Local Unlabeled Sensing: A Novel Graph Matching Approach for Multiview Unlabeled Sensing Under Local Permutations

Ahmed Abbasi, Abiy Tasissa, Shuchin Aeron • IEEE Open Journal of Signal Processing (2021)

Unlabeled sensing is a linear inverse problem where the measurements are scrambled under an unknown permutation leading to loss of correspondence between the measurements and the rows of the sensing matrix. Motivated by practical tasks such...

DOAJ Open Access (DOAJ) DOI: 10.1109/OJSP.2021.3083479

Didactic-methodic and psychological features of the use of video materials in teaching a foreign language

A. V. Zamkovaya • Вестник Тамбовского университета. Серия: Гуманитарные науки (2023)

Modern technology is expanding the possibilities of classes and determining the need for new forms of learning. The study of multimedia technology is currently developing in an academic way. Visuals in general play a huge, sometimes decisiv...

DOAJ Open Access (DOAJ) DOI: 10.20310/1810-0201-2023-28-1-89-102

Enhancing the Competitiveness of the Show Business Industry for Cultural Export as a Means of Creative Economy Development and Tourism Promotion in the Future New Normal Era: The Case of Thailand

Chayapoj Lee-Anant, Therdchai Choibamroong, Boonnawat Srikhwan • Social Sciences (2023)

The tourism industry is considered the greatest economic generator in Thailand. Nonetheless, the impact of the COVID-19 pandemic thoroughly shifted its image of tourism stability and trustworthiness. The show business industry is an element...

DOAJ Open Access (DOAJ) DOI: 10.3390/socsci12120690

The Effect of Job Stress on The Employees' Performance and Turnover Intention in ‎Egyptian Hotels: Job Satisfaction as A Mediator

Aliaa Gaber ‎, El-Hussein Ali ‎ • International Journal of Tourism and Hospitality Management (2021)

The hotels' success depends on many factors in achieving its goals where the employees' psychological, physiological health are among the most important of these factors. Job stress is one of the main topics that attracted the researchers' ...

DOAJ Open Access (DOAJ) DOI: 10.21608/ijthm.2021.206806

Analysis of Economic Growth and Tourism Potential in Tanjung Lesung, Panimbang, Banten as a Creative Economy Destination

Rizki Apriva Hidayana, Mugi Lestari • International Journal of Business, Economics, and Social Development (2025)

Tanjung Lesung, located in Pandeglang Regency, Banten, has been designated as a Special Economic Zone (SEZ) for Tourism with the aim of encouraging regional economic growth and improving community welfare. This study analyzes the impact of ...

DOAJ Open Access (DOAJ) DOI: 10.46336/ijbesd.v6i1.879

Creativity: The Essence of Mathematics

Eric L. Mann • journal for the education of the gifted (2006)

For the gifted mathematics student, early mastery of concepts and skills in the mathematics curriculum usually results in getting more of the same work and/or moving through the curriculum at a faster pace. Testing, grades, and pacing overs...

OPENALEX DOI: https://doi.org/10.4219/jeg-2006-264

DAF-UNet: Deformable U-Net with Atrous-Convolution Feature Pyramid for Retinal Vessel Segmentation

Yongchao Duan, Rui Yang, Ming Zhao, Mingrui Qi et al. • Mathematics (2025)

Segmentation of retinal vessels from fundus images is critical for diagnosing diseases such as diabetes and hypertension. However, the inherent challenges posed by the complex geometries of vessels and the highly imbalanced distribution of ...

DOAJ Open Access (DOAJ) DOI: 10.3390/math13091454

Mathematics Teacher Noticing

• Routledge eBooks (2011)

Mathematics Teacher Noticing is the first book to examine research on the particular type of noticing done by teachers---how teachers pay attention to and make sense of what happens in the complexity of instructional situations. In the mids...

OPENALEX Open Access DOI: https://doi.org/10.4324/9780203832714

Dietary Supplementation with the Red Seaweed <i>Porphyra umbilicalis</i> Protects against DNA Damage and Pre-Malignant Dysplastic Skin Lesions in HPV-Transgenic Mice

Susana Santos, Tiago Ferreira, José Almeida, Maria J. Pires et al. • Marine Drugs (2019)

Some diet profiles are associated with the risk of developing cancer; however, some nutrients show protective effects. Porphyra umbilicalis is widely consumed, having a balanced nutritional profile; however, its potential for cancer chemopr...

DOAJ Open Access (DOAJ) DOI: 10.3390/md17110615

Medical Informatics, Artefacts or Science?

Jeremy C Wyatt • Methods of Information in Medicine (1996)

Successful and productive medical informatics research is evidently a combination of luck, creative art, and science, but some researchers focus too much on building computer artefacts and writing anecdotal reports of their experience. They...

OPENALEX DOI: https://doi.org/10.1055/s-0038-1634665

Controversies in International Relations Theory

Charles W. Kegley • Bloomsbury Publishing Plc eBooks (1995)

This new reader in international theory brings together nine new essays and four classics, two of them heavily revised for republication here, to provide a clear introduction to the two dominent traditions in contemporary international rela...

OPENALEX DOI: https://doi.org/10.5040/9781350392984

Artificial Intelligence, Green Innovation, and the Clean-Energy Market: A Quantile-Based Analysis

Dervis Kirikkaleli, Seyed Alireza Athari, Mohamed Djafar Henni, Emmanuel Oluwatosin Adewusi et al. • Energies (2026)

Artificial intelligence is increasingly viewed as both a catalyst for clean-energy development and a potential constraint on green innovation. This study examines the quantile-specific relationships between artificial intelligence, clean-en...

DOAJ Open Access (DOAJ) DOI: 10.3390/en19184397