Liana, Limetry. “ANALISIS USAHA BUDIDAYA PERIKANAN AIR TAWAR DI KABUPATEN KAMPAR PROVINSI RIAU”. DINAMIKA PERTANIAN, vol. 30, no. 1, Nov. 2017, pp. 53-60, https://journal.uir.ac.id/index.php/dinamikapertanian/article/view/823.