Mohd Shafie, Shafini, Zakirah Othman, Norsiah Hami, Salmah Omar, and A Harits Nu’man. “Solid Oxide Fuel Cells Fueled With Biogas in Malaysia: A Review of Potential”. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 81, no. 1 (March 11, 2021): 18–25. Accessed September 27, 2021. https://www.akademiabaru.com/submit/index.php/arfmts/article/view/1490.