Wannachaiyasit S, Sukpornsawan P. DEVELOPMENT OF STABILITY MONITORING TECHNIQUE FOR VITAMIN C TABLETS USING GRAYSCALE ANALYSIS. Interprof J Health Sci [internet]. 2021 Apr. 29 [cited 2026 Aug. 31];19(1):25-32. available from: https://li05.tci-thaijo.org/index.php/IJHS/article/view/44