1.
Rinaldi E, Afriansyah E. Perbandingan Kemampuan Pemecahan Masalah Matematis Siswa antara Problem Centered Learning dan Problem Based Learning. numerical [Internet]. 15Jun.2019 [cited 13Oct.2019];3(1):9-8. Available from: https://journal.iaimnumetrolampung.ac.id/index.php/numerical/article/view/326