All articles in this issue (5 original research articles) were authored or co-authored by 28 authors from 4 countriesBrazil, Malaysia, India, and Indonesia.

Published: October 21, 2023

Enhancing Water Quality Assessment in Indonesia Through Digital Image Processing and Machine Learning

1-8 Athiya Iffaty, Adinda Salsabila, Adis Aufa Rafiqhi, Rivansyah Suhendra, Muhammad Yusuf, Novi Reandy Sasmita

GC-MS Analysis Reveals Unique Chemical Composition of Blumea balsamifera (L.) DC in Ie-Jue Geothermal Area

9-16 Nur Balqis Maulydia, Khairan Khairan, Trina Ekawati Tallei, Ethiene Castellucci Estevam, Mohsina Patwekar, Fazlin Mohd Fauzi, Rinaldi Idroes

Optimizing Raw Material Pre-Treatment for Bioethanol Production from Empty Fruit Bunches: A Comparative Study

17-23 Said Zul Amraini, Sunitha Sari, David Andrio, Waman Fatra, Reno Susanto

From Leaf to Lip: Tracing Contaminants in Aceh's Traditional Chewing Tobacco (Bakông Asóê)

24-34 Rizka Auliatul Jannah, Qurrata Akyuni, Faradilla Faradilla, Elisa Purwaendah, Muhammad Diah, Rinaldi Idroes, Khairan Khairan

Assessing Heavy Metal Contamination in Traditional Herbal Medicine (Jamu) by Atomic Absorption Spectrophotometry

35-39 Mahmudi Mahmudi, Mutiara Annisa, Mutia Farida, Muhammad Yusuf, Saiful Azhari, Yunda Fachrunniza