Witsanu Supandee and Chitphon Yachulawetkunakorn (2026) “EFFECTS OF HIGH SCHOOL–LED CAMP ON ELEMENTARY STUDENTS’ SCIENCE LEARNING MOTIVATION: A PRETEST–POSTTEST STUDY: Received: 02nd March 2026, Revised: 09th April 2026, 12th May 2026, Accepted: 24th July 2026, Date of Publication: 31st July 2026”, PEOPLE: International Journal of Social Sciences, 12(2), pp. 53–65. doi: 10.20319/pijss.2026.122.5365.