Yuldoshov Sh. A., Sarymsakov A. A., GoyipovI.Sh., Bobomurodova M. S. 2020. “Purified Carboxymethyl Cellulose for the Pharmaceutical Industry”. International Journal of Advanced Science and Technology 29 (9s), 4733 -37. http://sersc.org/journals/index.php/IJAST/article/view/17293.