Haleem, K., S. khan, S. K. Syed, and Saif Ur Rehman. “Development of Gastro Retentive Microbeads for Sustained Release of Fexofenadine and Montelukast”. Journal of Contemporary Pharmacy, vol. 5, no. 1, July 2021, pp. 16-27, doi:10.56770/jcp2021513.