EFFECT OF HANDS-ON LABORATORY ACTIVITIES ON SECONDARY SCHOOL STUDENTS’ ENGAGEMENT IN CHEMISTRY IN ORUMBA SOUTH LOCAL GOVERNMENT AREA. JOURNAL OF SCIENCE EDUCATION AND RESEARCH, [S. l.], v. 8, n. 3, p. 108–128, 2026. Disponível em: https://jserpublications.org/index.php/jser/article/view/58. Acesso em: 3 nov. 2026.