PINEDA, Chester Ian Sotto. Effectiveness of Validated Teaching-Learning Package in Projectile Motion for Grade 9 Science. Journal of Science and Science Education, [S. l.], v. 1, n. 1, p. 26–29, 2020. DOI: 10.29303/jossed.v1i1.454. Disponível em: https://jppipa.unram.ac.id/index.php/jossed/article/view/454. Acesso em: 3 may. 2024.