Nakan, U., Tolkyn, B. ., Mun, G. ., Yeligbayeva , G. ., Tileubekov, N., Serikbay, N. . and Negim, E.-S. . (2021) “Swelling studies on poly(n, n-dimethyl acrylamide-co-acrylic acid) hydrogels”, International Journal of Biology and Chemistry, 14(2), pp. 82–87. doi: 10.26577/ijbch.2021.v14.i2.011.