(1)Zulkurnain, N.; Ahmad, A. F.; Mat Rosid, S. J.; Azid, A.; Toemen, S. Modeling Using Box Behnken Design for Optimization of Biodiesel Production from Low Grade Cooking Oil. <i>Vietnam J. Sci. Technol.</i> <b>2024</b>, <i>62</i>, 1098-1107.