“Statistical Optimization of Process Variables for BiodieselProduction from Lagenaria Siceraria Seed Oil”. International Journal of Integrative Research (IJIR) 1, no. 7 (September 9, 2024): 431–440. Accessed March 29, 2026. https://penerbitjurnalinternasional.com/index.php/ijir/article/view/124.