Najihi, Aidin, and Eka Novianti. “Peningkatan Hasil Belajar Matematika Menggunakan Model Pembelajaran Berbasis Masalah Pada Peserta Didik: Improvement of Mathematics Learning Outcomes Using Problem-Based Learning Models in Students”. Bitnet: Jurnal Pendidikan Teknologi Informasi 2, no. 1 (February 18, 2017): 1–6. Accessed May 5, 2024. https://journal.umpr.ac.id/index.php/bitnet/article/view/757.