MASBIROROTNI, Masbirorotni; WULANDARI, Okky. Improving Students’ Academic Achievement in English Subject By Using Jigsaw: (Meningkatkan Prestasi Akademik Siswa di Bahasa Inggris Dengan Menggunakan Jigsaw). Indonesian Educational Administration and Leadership Journal (IDEAL), [S. l.], v. 2, n. 1, p. 42–54, 2020. DOI: 10.22437/ideal.v2i1.9928. Disponível em: https://www.online-journal.unja.ac.id/IDEAL/article/view/9928. Acesso em: 16 apr. 2026.