PAKPAHAN, N. F. D. B. THE EFFECTIVENESS OF ACHIEVE STUDENT COMPETENCY BETWEEN LEARNING USING VIDEO-BASED MEDIA AND POWER POINTS IN ENVIRONMENTAL SCIENCE COURSES . International Online Journal of Education and Teaching, [S. l.], v. 9, n. 1, p. 604–611, 2022. Disponível em: https://www.iojet.org/index.php/IOJET/article/view/1593. Acesso em: 10 jan. 2026.