Pengembangan Perangkat Pembelajaran Matematika Model Pembelajaran Berbasis Masalah untuk Meningkatkan Kualitas Proses dan Hasil Belajar di SMP: Developing of Mathematics Learning Devices with Problem Based Learning Model to Improve Process Quality and Learning Outcomes of Junior High School. Talenta Conference Series: Science and Technology (ST), [S. l.], v. 2, n. 2, 2019. DOI: 10.32734/st.v2i2.544. Disponível em: https://talentaconfseries.usu.ac.id/index.php/st/article/view/544. Acesso em: 1 may. 2026.