Intan Shafinaz Abd Manaf, Mohd Hasbi Ab. Rahim, and Gaanty Pragas Maniam. “Biodiesel production from catfish (Pangasius) fat via ultrasound- assisted method”. Maejo International Journal of Energy and Environmental Communication 1, no. 1 (February 20, 2019): 15–20. accessed September 10, 2026. https://ph02.tci-thaijo.org/index.php/MIJEEC/article/view/244896.