Mohapatra, S., S. K. Sahoo, and R. K. Kar. “APPLICATION OF CENTRAL COMPOSITE DESIGN FOR OPTIMIZATION OF EFFERVESCENT FLOATING TABLETS USING HYDROPHILIC POLYMERS”. Asian Journal of Pharmaceutical and Clinical Research, vol. 8, no. 1, Jan. 2015, pp. 293-8, https://journals.innovareacademics.in/index.php/ajpcr/article/view/2251.