Uddin, M. B., J. A. Chowdhury, K. R. Azam, R.- ul Jalil, and M. S. Reza. “Preparation and Evaluation of <i>In Vitro</I> Release Kinetics of Theophylline Loaded Matrix Tablet Based on Eudragit NE 30 D and Eudragit RS 30 D”. Dhaka University Journal of Pharmaceutical Sciences, vol. 8, no. 2, Sept. 2010, pp. 153-9, doi:10.3329/dujps.v8i2.6030.