Putra, I.M.W.A., I.G.A.W. Kusumawati, and A.W. Permadi. “Modification of Clinoptilolite With Benzalkonium Chloride As a Carrier of Metformin Hydrochloride”. Asian Journal of Chemistry 31, no. 6 (April 29, 2019): 1275–1278. Accessed July 5, 2024. https://asianpubs.org/index.php/ajchem/article/view/31_6_15.