MUNTE, Bangun. The Effect of Cooperative Model “Jigsaw Type” in Improving Students’ Achievement at Christian Education Subject Case: Grade XII IPA 1-2 SMA Negeri 1 Tebing Syahbandar. International Journal of English Literature and Social Sciences (IJELS), [S. l.], v. 4, n. 2, 2019. Disponível em: https://journal-repository.com/index.php/ijels/article/view/573.. Acesso em: 16 apr. 2025.