Efektivitas Problem Based Learning (PBL) dalam Penguasaan Bahasa Inggris pada Anak Kelas V Sekolah Dasar. Journal of Primary Education Research, [S. l.], v. 4, n. 1, p. 12–19, 2026. DOI: 10.57176/primer.v4i1.60. Disponível em: https://journal.unu-jogja.ac.id/pgsd/index.php/primer/article/view/60. Acesso em: 13 jun. 2026.