KalistaA., RedjoA. and RosidahU. (2019) “Aplication of Image Processing to Determine The Freshness of Tilapia Fish (Oreochromis niloticus)”, Jurnal Pengolahan Hasil Perikanan Indonesia. Bogor, ID, 22(2), pp. 229-235. doi: 10.17844/jphpi.v22i2.27364.