Melego, D., M. Napitupulu, and D. K. Walanda. “Analysis of Macro Nutrient on Rono Fish (Xenopoecilus Oophorus) Freshwater”. Jurnal Akademika Kimia, vol. 8, no. 4, Nov. 2019, pp. 191-6, doi:10.22487/j24775185.2019.v8.i4.pp191-196.