Lamalewa, Lusia, and Lilik Sumaryanti. “APLIKASI DIAGNOSA PENYAKIT IKAN HIAS AIR TAWAR MENGGUNAKAN METODE BACKWARD CHAINING”. MUSTEK ANIM HA 10, no. 01 (April 30, 2021): 29-35. Accessed November 29, 2021. http://ejournal.unmus.ac.id/index.php/mustek/article/view/3678.