NASUTION, Mutia; SIREGAR, Syahroni Hasan. The Effect of Problem-Posing Learning Method on Students Achievement in Reading Invitation Letter. Edunesia : Jurnal Ilmiah Pendidikan, [S. l.], v. 2, n. 3, p. 635–642, 2021. DOI: 10.51276/edu.v2i3.183. Disponível em: https://www.edunesia.org/edu/article/view/183. Acesso em: 3 aug. 2026.