Sluta, I., L. Perelygina, O. Skorynina-Pohrebna, L. Balabanova, and N. Kukoba. “The Role of Psychological Factors in Imroving Health, Activity and Longevity”. Amazonia Investiga, vol. 12, no. 64, May 2023, pp. 165-74, doi:10.34069/AI/2023.64.04.16.