ARDIANA, RENA. 2012. “PEMANFAATAN KULIT BUAH SIWALAN (Borassus Flabellifer L.) SEBAGAI BAHAN DASAR PEMBUATAN FURFURAL(UTILIZATION RIND OF SIWALAN FRUIT (BORASSUS FLABELLIFER L.) AS BASIC MATERIAL FOR MAKING FURFURAL)”. Unesa Journal of Chemistry 1 (2). https://doi.org/10.26740/ujc.v1n2.p%p.