Ahmad, Farooq, Amin U. Khan, and Abdullah Yasar. “Effect of Various Catalysts on Biodiesel Production from Biomass of Freshwater Algae”. Asian Journal of Chemistry 25, no. 8 (March 19, 2013): 4624–4628. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/25_8_117.