Utomo, D., Subagyono, R., & GUnawan, R. (2019). UTILIZATION OF CORN FLOW AMERICA (Zea Mays) AS A SOURCE OF SILICA ON THE MAKING OF Na / SBA-15 CATALYSTES FOR TRANSESTERIFICATION REACTION OF OIL JELANTAH. JURNAL KIMIA MULAWARMAN, 16(1), 1-9. doi:10.30872/jkm.v16i1.621