Anwar, Zaki M. PENERAPAN PENDEKATAN PROBLEM POSSING DALAM UPAYA MENINGKATKAN SELF CONFIDANCE CALON GURU MATEMATIKA UNIVERSITAS SAMUDRA. Numeracy [Internet]. 2017Oct.31 [cited 2024May5];4(2):90-8. Available from: https://ejournal.bbg.ac.id/numeracy/article/view/270