A. Jaleel E. Preparation MnO2 NPs  by Sol-Gel method and Study Antioxidant Properties. J. K. Chem. Sci. [Internet]. 2026 Jul. 2 [cited 2026 Sep. 19];5(2):164-73. Available from: https://journal.uokufa.edu.iq/index.php/jkcs/article/view/18659