Analysis of the Causes of Damage to the Poly Aluminium Chloride (PAC) Dosing Pump for Maintenance Actions at the Palukahan Water Treatment Plant (IPA), Perumda Air Minum Kota Padang. TOFEDU [Internet]. 2026 Sep. 8 [cited 2026 Oct. 9];5(3):5080-9. Available from: https://journal.tofedu.or.id/index.php/journal/article/view/2284