Improving Students’ Vocabulary Mastery Using Jigsaw Technique at Eight Grade Students. ELang | An English Language Education Journal, [S. l.], v. 2, n. 2, p. 23–32, 2017. DOI: 10.55222/englisheducationjournal.v2i2.459. Disponível em: https://ejournal.unibba.ac.id/index.php/elang/article/view/459. Acesso em: 3 oct. 2025.