Sharma, Neetu, L.K. Sharma, and H. Kaur. “Morphology of Calcium Oxide Added Willemite Crystals”. Asian Journal of Chemistry 24, no. 10 (May 14, 2012): 4573–4575. Accessed July 22, 2024. https://asianpubs.org/index.php/ajchem/article/view/9708.