Witsanu Supandee, Chitphon Yachulawetkunakorn. EFFECTS OF HIGH SCHOOL–LED CAMP ON ELEMENTARY STUDENTS’ SCIENCE LEARNING MOTIVATION: A PRETEST–POSTTEST STUDY. pijss [Internet]. 2026 Jul. 24 [cited 2026 Jul. 25];:549-61. Available from: https://grdspublishing.org/index.php/people/article/view/3273