Akhmejanova G. B., Mussabekova N. M., Voronova T. E., Batay A., и Grigorieva R. V. 2021. «ESSENCE OF SOCIAL INSURANCE, ITS ROLE AND PLACE IN THE SYSTEM OF SOCIAL PROTECTION OF THE POPULATION». «Вестник НАН РК», вып. 2 (апрель):198-203. http://91834.libg.asia/bulletin-science/article/view/217.