R. A. Marunduri, K. A. Signora, I. Sinantin, K. P. Sari, N. N. Sabilla, and S. Arazzy, “PERFORMANCE OVERVIEW OF THE WASTEWATER TREATMENT PLANT (WWTP) AT PERUMDA TIRTANADI CEMARA, PERCUT SEI TUAN DISTRICT, MEDAN”, Hearty, vol. 14, no. 2, pp. 462–471, Apr. 2026.