“ISOLATION AND SCREENING OF PROTEOLYTIC BACTERIA FROM SIDOARJO SHRIMP PASTE AS PROTEASE SOURCE TO EXTRACT THE COLLAGEN FROM MILKFISH SCALES (CHANOS CHANOS)”. Jurnal Teknologi (Sciences & Engineering), vol. 84, no. 1, Nov. 2021, pp. 211-8, https://doi.org/10.11113/jurnalteknologi.v84.17583.