Partyko, Tetyana. “Peculiarities of Self-Attitude Motivation in Persons With Different Emotinal Tonus in Late Adulthood”. Psychological Prospects Journal, no. 27 (June 15, 2016): 137–149. Accessed May 11, 2025. https://www.psychoprospects.vnu.edu.ua/index.php/psychoprospects/article/view/49.