DAVE HN, MASHRU RC. APPLICATION OF TWO ADVANCED DERIVATIVE SPECTROPHOTOMETRIC METHODS FOR SIMULTANEOUS ESTIMATION OF SALBUTAMOL SULPHATE, AMBROXOL HYDROCHLORIDE AND THEOPHYLLINE IN PURE AND COMMERCIAL FORMULATIONS. Int J Curr Pharm Sci [Internet]. 2022 May 15 [cited 2024 Dec. 27];14(3):33-8. Available from: https://innovareacademics.in/journals/index.php/ijcpr/article/view/45221