The Use Of Facebook To Improve Students’ Writing Skill: An Experimental Study At The Second Grade Students Of SMAN 1 Batukliang Utara In Academic Year 2025/2026. JUPE : Jurnal Pendidikan Mandala, [S. l.], v. 10, n. 4, p. 1615–1622, 2025. DOI: 10.58258/jupe.v10i4.9928. Disponível em: https://ejournal.mandalanursa.org/index.php/JUPE/article/view/9928. Acesso em: 15 jun. 2026.