SARI, Fany Novita. Application of Problem Based Learning Models to Improve Critical Thingking Skills Mathematically in science two tenth grade class students of Senior High School 1 Salo. Mathematics Research and Education Journal, [S. l.], v. 2, n. 1, p. 14–20, 2018. Disponível em: https://journal.uir.ac.id/index.php/JPM/article/view/2272. Acesso em: 21 jul. 2026.