salman, salman, and Meutia Indriana. “DETERMINATION OF DILTIAZEM HCI LEVELS IN TABLETS ULTRAVIOLET SPECTROPHOTOMETRY”. Journal of Pharmaceutical And Sciences 3, no. 1 (June 3, 2020): 58-61. Accessed February 12, 2026. https://www.journal-jps.com/index.php/jps/article/view/84.