Utomo, D., 		Subagyono, R., & 		GUnawan, R.
2019 Jan 25.  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. [Online] 16:1