Pandiangan, K. D., Nisa, K., Simanjuntak, W., Alista, D. I., Noviana, E., & Hasan, S. A. (2023). Application of Response Surface Methodology (RSM) to Study Transesterification of Palm Oil in the Presence of Zeolite-A as Catalyst. Journal of Multidisciplinary Applied Natural Science, 4(1), 146–157. https://doi.org/10.47352/jmans.2774-3047.201