Rejie C. Magnaye*, Carmela Fritz B. Briones, William Ross L. Fillartos, Maika E. Otsuki, Francis A. Rada (2024) “Optimization of aerated biodiesel production from selected waste cooking oils using a CuO/CaO catalyst derived from kuhol (Sulcospira) shells”, International Research Journal on Innovations in Engineering, Science and Technology, 10(2), pp. 45–55. Available at: https://ojs.batstate-u.edu.ph/index.php/IRJIEST/article/view/115 (Accessed: 4 April 2025).