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Anwar, Zaki M. PENERAPAN PENDEKATAN PROBLEM POSSING DALAM UPAYA MENINGKATKAN SELF CONFIDANCE CALON GURU MATEMATIKA UNIVERSITAS SAMUDRA. Numeracy [Internet]. 2017 Oct. 31 [cited 2026 Aug. 3];4(2):90-8. Available from: https://ejournal.bbg.ac.id/index.php/numeracy/article/view/270