Nindarwi, D. D. “Study of Calcium Hydroxide (Ca(OH)2) and Sodium Bicarbonate (NaHCO3) Treatment Through The Dynamics of PH, COD, N/P Ratio Value and Plankton Abundance”. Journal of Aquaculture and Fish Health, vol. 8, no. 2, June 2019, pp. 72-79, doi:10.20473/jafh.v8i2.12428.