Mansur, Umar

• Vol 1, No 1 (2019) - Articles
  Analytical Methods Validation of Retinoic Acid and Hydroquinone Using Ultra High Performance Liquid Chromatography in Medicinal Cream
  Abstract  PDF
• Vol 4, No 1 (2022) - Articles
  The Development of Derivative Method analysis 1,4 Benzodiazepines in Biological Matrix using High-Performance Liquid Chromatography (HPLC) and Liquid Chromatography-Mass
  Abstract  PDF