SOUMYA, P., N. G. R. RAO, C. KISTAYYA, and B. M. REDDY. “DESIGN AND DEVELOPMENT OF ORAL SUSTAINED RELEASE MATRIX TABLETS OF DIDANOSINE”. Asian Journal of Pharmaceutical and Clinical Research, vol. 7, no. 6, Feb. 2014, pp. 38-44, https://journals.innovareacademics.in/index.php/ajpcr/article/view/674.