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Hasratuddin and Siregar, N. and Banjarnahor, Humuntal (2019) WEAKNESS ANALYSIS LEARNING MATHEMATICS JUNIOR HIGH SCHOOL IN MEDAN. IJO-International Journal of Mathematics, 02 (08). pp. 1-18. ISSN 0129-167X
Hasratuddin and Siregar, N. and Banjarnahor, Humuntal (2019) WEAKNESS ANALYSIS LEARNING MATHEMATICS JUNIOR HIGH SCHOOL IN MEDAN. IJO-International Journal of Mathematics, 02 (08). pp. 1-18. ISSN 0129-167X