DiniyahN., WijanarkoS.B. and PurnomoH. 2012. TEKNOLOGI PENGOLAHAN GULA COKLAT CAIR NIRA SIWALAN (Borassus flabellifer L.) [Brown Sugar Syrup Processing from Siwalan Palm Saps (Borassus flabellifer L.)]. Jurnal Teknologi dan Industri Pangan. 23, 1 (Jun. 2012), 53.