HARYANI, D.; SUBAGJO, A.; HAMDANI, M.; ALI HASAN, Q. .; WIDYANTI, N. ANALYSIS OF THE DIFFICULTIES OF CLASS X STUDENTS OF SMKN 4 PALANGKA RAYA IN SOLVING TRIGONOMETRY PROBLEMS. Jurnal Pendidikan, [S. l.], v. 23, n. 1, p. 29–38, 2022. DOI: 10.52850/jpn.v23i1.4667. Disponível em: https://e-journal.upr.ac.id/index.php/JPN/article/view/4667. Acesso em: 22 jul. 2024.