Abdul Rahman, Salman, A., Ardianta, Ansharuddin, Rufinus Nainggolan, Sarmedi Agus Siregar, Wan Zuhari bin Wan Ismail, & Mohd Azri bin Abdul Ghani. (2023). Water Treatment Process using Manganese Zeolite Filter, Activated Carbon Filter, and Silica Sand Filter. International Journal Of Technical Vocational And Engineering Technology, 3(3), 1-7. Retrieved from https://journal.pktm.com.my/index.php/ijtvet/article/view/89