Gandhi, Santosh V., et al. “DEVELOPMENT AND VALIDATION OF STABILITY INDICATING RP-HPLC METHOD FOR SIMULTANEOUS ESTIMATION OF BECLOMETHASONE DIPROPIONATE AND SALBUTAMOL SULPHATE”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 7, no. 6, June 2015, pp. 252-7, https://www.journals.innovareacademics.in/index.php/ijpps/article/view/5776.