Wannachaiyasit, Sumalee, and Phakdee Sukpornsawan. 2021. “DEVELOPMENT OF STABILITY MONITORING TECHNIQUE FOR VITAMIN C TABLETS USING GRAYSCALE ANALYSIS”. Interprofessional Journal of Health Sciences 19 (1). Pathum Thani, Thailand:25-32. https://li05.tci-thaijo.org/index.php/IJHS/article/view/44.