MurtiniE.S. and Qomarudin. 2012. PENGERMPUKAN DAGING DENGAN ENZIM PROTEASE TANAMAN BIDURI (Calotropis gigantea) (Meat Tenderization using Protease of Biduri Plant (Calotropis gigantean)). Jurnal Teknologi dan Industri Pangan. 14, 3 (Nov. 2012), 266.