Zhumalina, A, K.Sh. Zhumadilov, T.B. Suleimenov, N. Kawano, T. Kajimoto, K. Tanaka, S. Endo, A. Sakaguchi, E. K. Sambayev, and M. Hoshi. 2026. “Comparison of Aluminum and Manganum Concentration in Akmola Region, Kazakhstan”. Eurasian Journal of Physics and Functional Materials 4 (1). https://ephys.kz/index.php/journal/article/view/150.