Аbdullin Kh.А., et al. “The Synthesis of Iron Nanoparticles in the Hydro-Alcoholic Solution of Ferric Chloride”. Recent Contributions to Physics, vol. 2015, no. 1, Apr. 2015, pp. 46-51, https://bph.kaznu.kz/index.php/zhuzhu/article/view/960.