Gunawan, Melia Laniwati, Carolus Borromeus Rasrendra, IGBN Makertihartha, and Lita Marina Nisa. 2023. “Synthesis of Active Matrix from Kaolin for Cracking Catalyst”. ITB Graduate School Conference 3 (1):740-45. https://gcs.itb.ac.id/proceeding-igsc/index.php/igsc/article/view/189.