M. M. Morshed, J. Mallick, F. Islam, M. K. Islam, M. D. Sohel, and M. H. Kawsar, “Formulation Development and Characterization of Levosalbutamol Sulphate Oral Thin Film using Propylene glycol as a Plasticizer”, Bangla Pharma J, vol. 20, no. 1, pp. 64–70, Apr. 2017.