HARYANI, H. PENINGKATAN KETERAMPILAN MENULIS PERSONAL LETTER MELALUI MODEL PROBLEM BASED LEARNING PADA SISWA KELAS XI SMKS PRIMA WISATA JAKARTA. Jurnal Analisis Pendidikan Sosial, [S. l.], v. 1, n. 5, p. 69–77, 2024. Disponível em: https://journal.sintesia.id/index.php/japs/article/view/53. Acesso em: 26 mar. 2026.