Zaslavskaya, E. A., A. V. Kalekina, V. V. Kalekin, and E. A. Cherkevich. 2019. “Self-Actualization and Life Purpose Orientations of an Individual at a Mature Age in the Context of a New Reality”. Amazonia Investiga 8 (20):655-67. https://amazoniainvestiga.info/index.php/amazonia/article/view/200.