Enhancing Secondary School Students’ Achievement in Chemistry Using Collaborative Instructional Strategy. Journal of Digital Learning and Education, Deli Serdang, Indonesia, v. 3, n. 3, p. 210–217, 2023. DOI: 10.52562/jdle.v3i3.818. Disponível em: https://www.journal.moripublishing.com/index.php/jdle/article/view/818. Acesso em: 24 jul. 2026.