Palaniandy S, Nizar Ismail K, Azizi Mohd Azizli K. Physical and Chemical Characterization of Silica Based Raw Materials from Industrial Waste. Malaysian J. Sci. [Internet]. 2002 Dec. 26 [cited 2024 Nov. 25];21:161-4. Available from: https://mjs.um.edu.my/index.php/MJS/article/view/8881