Shah, Samip, Pandya Shridhar, and Dipti Gohil. “Control Chart: A Statistical Process Control Tool in Pharmacy”. Asian Journal of Pharmaceutics (AJP) 4, no. 3 (August 27, 2014). Accessed May 8, 2024. https://www.asiapharmaceutics.info/index.php/ajp/article/view/144.