Pattarapaprakorn, Woraratana, Makoto Tono, and Hiro Niyama. “A Proposed Surface Area Measurement Module for Rural Folks: Desing Concept and Trial Setup”. ASEAN Journal of Chemical Engineering 4, no. 1 (December 31, 2004): 25-32. Accessed November 24, 2024. https://journal.ugm.ac.id/v3/AJChE/article/view/7584.