Mulyanto R, Winardi W, Apriani I. Perencanaan Instalasi Pengolahan Lumpur IPA Parit Mayor Perumda Air Minum Tirta Khatulistiwa Kota Pontianak. PPM [Internet]. 2023May3 [cited 2024Nov.25];7(2):597-09. Available from: https://ojs.unpkediri.ac.id/index.php/PPM/article/view/15748