“Pengaruh Penambahan Enzim Protease Getah Reubek (Calotropisgigantea) terhadap Protein Tubuh Ikan Nila (Oreochromis niloticus)”. Jurnal TILAPIA, vol. 3, no. 2, Juli 2022, hlm. 10-17, https://doi.org/10.30601/tilapia.v3i2.2679.