D. Radhy, Nadher. “Naproxen Sodium Release from Poly(acrylic Acid-Co- N-Vinyl-2-Pyrrolidone) Hydrogels”. Al-Qadisiyah Journal of Pure Science 21, no. 1 (July 30, 2018): 64 - 76. Accessed May 2, 2024. https://journalsc.qu.edu.iq/index.php/JOPS/article/view/41.