Desfitri, E. R., R. Desmiarti, A. R. Permata, and E. Elizarni. “Optimization of Gambier Industry Wastewater Treatment Plant (WWTP) Performance: A Systematic Approach for Environmental Sustainability”. Journal of Applied Agricultural Science and Technology, vol. 8, no. 2, May 2024, pp. 228-40, doi:10.55043/jaast.v8i2.253.