D. Radhy, N. (2018). Naproxen Sodium Release from Poly(acrylic acid-co- N-vinyl-2-pyrrolidone) Hydrogels. Al-Qadisiyah Journal of Pure Science, 21(1), 64 - 76. Retrieved from https://journalsc.qu.edu.iq/index.php/JOPS/article/view/41