Srisiri, S., P. . Khoomphai, and S. Manusmongkol. “THE RECREATION ACTIVITIES BEHAVIOR, OPTIMISM TOWARD ADJUSTMENT BEHAVIOR AMONG UNDERGRADUATE STUDENTS OF RAJAMANGALA UNIVERSITY OF TECHNOLOGY PHRA NAKHON”. Journal of Faculty of Physical Education, vol. 27, no. 1, Sept. 2024, https://he03.tci-thaijo.org/index.php/peswuJ/article/view/2376.