B. P. MAGGADANI, N. SUGIANTO, and HAYUN, “ANALYTICAL METHOD OPTIMIZATION AND VALIDATION OF GLIBENCLAMIDE AND METFORMIN HYDROCHLORIDE IN DIABETIC HERBS PRODUCT BY THIN-LAYER CHROMATOGRAPHY-DENSITOMETRY”, Int J App Pharm, vol. 12, no. 1, pp. 83–87, Mar. 2020.