“COPOLYMERIZATION OF ACRILIC ACID WITH ACRYLAMIDE IN THE PRESENCE OF A CHELATE COMPLEX Mn(II) ” (2026) Bulletin of NPUA: Chemical and Environmental Technologies, 1, pp. 35–44. Available at: https://journals.polytechnic.am/index.php/cet/article/view/467 (Accessed: 25 October 2026).