Hidayatiningtyas, Kumala, Siti Harnina Bintari, and Retno Sri Iswari. “The Effect of Papain Enzymes and Probiotic Addition on Feed Towards The Catfish Growth Performance, Feed Utilization Efficiency and Survival Rate in Biofloc Techniques”. Proceeding International Conference on Science and Engineering 3 (April 30, 2020): 419–423. Accessed July 30, 2026. https://www.sunankalijaga.org/prosiding/index.php/icse/article/view/539.