คณะเภสัชศาสตร์ MASTER OF SCIENCE IN PHARMACY PROGRAM IN PHARMACEUTICAL CHEMISTRY (INTERNATIONAL PROGRAM) DEVELOPMENT AND APPLICATION OF DERIVATIVES AND CHEMOMETRICS-ASSISTED SPECTROPHOTOMETRIC METHODS FOR SIMULTANEOUS ANALYSIS OF LOPINAVIR AND RITONAVIR IN HUMAN PLASMA [ ] AUTHOR: SALINTHIP JARUSINTANAKORN ADVISOR: Asst. Prof. Dr. Kittisak Sripha DETERMINATION OF ENROFLOXACIN AND CIPROFLOXACIN RESIDUES IN CHICKEN BREAST AND EGGS BY HIGH PERFORMANCE THIN LAYER CHROMATOGRAPHY AND LIQUID CHROMATOGRAPHY MASS SPECTROMETRY [ ] AUTHOR: Jerawan Tansiri ADVISOR: Asst. Prof. Dr. Nongrak Ruengwisaed