Beygam, N., G.M. Tykezhanova, and D.S. Stashkevich. “The Effect of Use of Mobile Communications to the Human Body”. Fundamental and Experimental Biology 81, no. 1 (March 30, 2016): 78–82. Accessed December 1, 2025. https://feb.buketov.edu.kz/bmg-vestnik/article/view/158.