Dewan, I., Elias-Al-Mamun, M. and Jalil, R.- ul (2009) “Studies on Swelling Behavior of HPMC based Matrix Tablets by the Application of Digital Imaging Technique”, Dhaka University Journal of Pharmaceutical Sciences, 7(2), pp. 169–175. doi: 10.3329/dujps.v7i2.2174.