“THE DEVELOPMENT OF AN ATTITUDE SCALE TO MEASURE TEACHERS’ ATTITUDES TO OUT-OF-SCHOOL LEARNING ACTIVITIES (OoSLA): A VALIDITY AND RELIABILITY STUDİES”. Third Sector Social Economic Review 56, no. 2 (June 25, 2021): 895–910. Accessed July 12, 2026. https://tisej.com/index.php/pub/article/view/594.