Olefir , Valerii Oleksandrovych, and Valerii Fedorovych Bosniuk. “Adaptation of the Psychological Capital Questionnaire (PCQ-12S)”. Insight: the psychological dimensions of society, no. 9 (May 5, 2023): 50–71. Accessed May 14, 2026. https://insight.journal.kspu.edu/index.php/insight/article/view/123.