Vol. 29 No. 4 (2025): Regular Issue

Engineering Journal
Volume 29 Number 4
ISSN: 0125-8281
DOI: 10.4186/ej.2025.29.4

Published: 2025-04-30

Environment, Energy and Natural Resources

Effect of Extractant pH and Concentration of Ageratum Conyziodes L on the Optical Properties of Photosensitizer and Performance of Dye-Sensitizer Solar Cell

Andhy Setiawan, Sandi Muhammad Roziq, Eka Cahya Prima, Agus Danawan, Endi Suhendi, Samuel Unwakoly

1-21
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Influence of pH-Driven Synthesis on the Performance of NiO as a Hole Transport Layer in Perovskite Solar Cells

Subathra Muniandy, Muhammad Idzdihar Bin Idris, Zul Atfyi Fauzan Bin Mohammed Napiah, Nicolas Sii Tiing Kie, Zarina Baharudin, Marzaini Rashid

23-37
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Modern Engineering Technology

Ex-post Evaluation Framework of Transportation Infrastructure Projects in Thailand Applying the OECD-DAC's Evaluation Criteria

Klairung Ponanan, Dussadee Satirasetthavee

39-52
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Comparison of Thai and English Speaking Signals from Brain Using Deep Learning and EEG

Ekkarat Adsawinnawanawa, Soliman Faragy, Supakij Buasod, Narongdech Keeratipranon

53-63
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Employment and Human Development for Foreign Civil Engineer in Japanese Construction Industries

Shinji Asai, Takashi Goso

65-83
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Performance Improvement for Germanium-Based Near-Field Thermophotovoltaic Converter

Natkamon Pongtemsuk, Roytor Charoensin-O-Larn, Naphatsorn Vongsoasup

85-94
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