AZIZA, Ulfa Leony; SEPTIANA, Intan; WICITA, Enjelina Tria; HERYANI, Putri. Implementasi Model Pengelolaan Kelas Rangkap tipe 221 Meningkatkan Hasil Belajar Siswa Di Sekolah Dasar. Jurnal Nirta : Studi Inovasi, [S. l.], v. 4, n. 1, p. 199–210, 2024. DOI: 10.61412/jnsi.v4i1.41. Disponível em: https://ejournal.nlc-education.or.id/index.php/JNSI/article/view/41. Acesso em: 17 jun. 2025.