Heny, Heny Friantary, Arono Arono, and Wisma Yunita. “Efektivitas Model Pembelajaran Problem Solving Terhadap Keterampilan Menulis Esai Argumentatif”. Cakrawala: Jurnal Pendidikan 18, no. 1 (May 20, 2024): 13–33. Accessed January 10, 2026. https://cakrawala.upstegal.ac.id/index.php/cakrawala/article/view/436.