F. Amri, B. Dharmawan Hadi, T. Haryanti, R. Lutfiar Rizky, S. Rahayu, and A. Wanda Alifah, “AUTOMATIC POLYALUMINIUM CHLORIDE (PAC) DOSING CONTROL SYSTEM FOR WATER PURIFICATION USING NODEMCU-ESP32”, LOGIC, vol. 26, no. 1, pp. 10–16, Mar. 2026.