MARTINI, Martini; PURBARINI, Sekar. Efektivitas Model Problem Based Learning dalam Meningkatkan Prestasi Belajar Bahasa Indonesia Siswa Kelas Tiga. Jurnal Obsesi : Jurnal Pendidikan Anak Usia Dini, [S. l.], v. 8, n. 6, p. 2121–2132, 2024. DOI: 10.31004/obsesi.v8i6.6404. Disponível em: https://mail.obsesi.or.id/index.php/obsesi/article/view/6404. Acesso em: 7 nov. 2026.