Bayköse, Nazmi, and Barbaros Serdar Erdoğan. “The Relationship Between Optimism and Happiness of Physical Education Teachers’ Candidates: The Mediator Role of Life Satisfaction”. Asian Journal of Education and Training 7, no. 1 (January 18, 2021): 25–29. Accessed March 28, 2024. https://asianonlinejournals.com/index.php/EDU/article/view/2577.