Priadi, Dody, et al. “The Growth Optimization of Pak Choy (Brassica Rapa L. Var. Chinensis) in Household-Scale Aquaponics System”. Jurnal Biodjati, vol. 4, no. 2, Nov. 2019, pp. 175-83, doi:10.15575/biodjati.v4i2.4630.