“The Effect Of Different Protein Levels On The Growth Of Gourami (Osphronemus Gouramy)”. Jurnal Agroqua: Media Informasi Agronomi Dan Budidaya Perairan, vol. 15, no. 2, Dec. 2017, pp. 51-58, https://journals.unihaz.ac.id/index.php/agroqua/article/view/197.