Hidayat, Y., Nugrahaningtyas, K.D. and Hendrastuti, P.J. 2021. Activated Carbon Addition Methods on the Pre-impregnation Process of Co-Mo in Y-Zeolite Ultra Stable: A Properties Exploration and Enhancement of Metals Loaded. Jurnal Riset Kimia. 12, 2 (Sep. 2021). DOI:https://doi.org/10.25077/jrk.v12i2.384.