Minarni, A. (2018). Analysis of Differences in Improvement of Mathematical Problem Solving Ability of The Students at Upper Secondary School 3 Sidikalang Based on Contextual Learning Model And Direct Learning Models. Society for Science andEducation, United Kingdom.
Chicago Style CitationMinarni, Ani. Analysis of Differences in Improvement of Mathematical Problem Solving Ability of The Students At Upper Secondary School 3 Sidikalang Based On Contextual Learning Model And Direct Learning Models. Society for Science andEducation, United Kingdom, 2018.
MLA CitationMinarni, Ani. Analysis of Differences in Improvement of Mathematical Problem Solving Ability of The Students At Upper Secondary School 3 Sidikalang Based On Contextual Learning Model And Direct Learning Models. Society for Science andEducation, United Kingdom, 2018.