Abdildanova, S. K., M. N. Kunanbaeva, G. A. Zavatskaya, and N. M. Sadykova. “Music Influence on the Mental State of Pregnant Women”. The Journal of Psychology &Amp; Sociology, vol. 56, no. 1, May 2016, https://bulletin-psysoc.kaznu.kz/index.php/1-psy/article/view/582.