Verdian, A. H., R. Y. Subhan, and N. Fatimah. “Technique of Dietary Supplementation of Guanidinoacetic Acid for Growth Improvement of Catfish (Pangasius Hypophthalmus)”. Jurnal Ilmu-Ilmu Perikanan Dan Budidaya Perairan, vol. 18, no. 1, June 2023, pp. 43-49, doi:10.31851/jipbp.v18i1.11368.