Bertha, P. D.; Junior, M. Z.; Soelistyowati, D. T. Spermatogenesis of Male Catfish Clarias Sp. Fed Diet Supplemeted With Purwoceng Extract. Jurnal Akuakultur Indonesia 2016, 15 (1), 49-55. https://doi.org/10.19027/jai.15.49-55.