“Kinetic Empirical Modeling of Biodiesel Production from Ricinus Communis Using Refluxed Calcined Snail Shell as Catalyst” (2018) Global Journal of Science Frontier Research, 18(B3), pp. 1–11. Available at: https://journalofscience.org/index.php/GJSFR/article/view/2348 (Accessed: 24 September 2026).