MUFTI, MUFTI, and ROZA YULIDA. “EFISIENSI DAN PROSPEK BISNIS USAHA BUDIDAYA IKAN PATIN DI KABUPATEN KAMPAR”. Jurnal Ilmiah Pertanian, vol. 5, no. 2, Aug. 2009, pp. 8-12, https://doi.org/10.31849/jip.v5i2.1388.