Mohd Zainuddin NA, Md Rodzay R, Ismail KN, Puasa SW. Removal of fluoride and ammoniacal nitrogen from fertilizer wastewater industry using acetylene production sludge (APS). MJCET [Internet]. 2022 Apr. 30 [cited 2024 Dec. 22];5(1):29-37. Available from: https://journal.uitm.edu.my/ojs/index.php/MJCET/article/view/179