Rahayu, R., Nengsih, Z. W., Arief, S., Rilda, Y., Alif, M. F., & Syukri, S. (2024). Separation of Kaolinite from Clay Minerals and Its Catalytic Activity in Transesterification Reactions. Hydrogen: Jurnal Kependidikan Kimia, 12(1), 16–25. https://doi.org/10.33394/hjkk.v12i1.10600