Author Details

Sidabutar, Ropinus

  • Vol 7, No 15 (2016) - Articles
    The Efforts to Improve Mathematics Learning Achievement Results of High School Students as Required by Competency-Based Curriculum and Lesson Level-Based Curriculum
    Abstract  PDF
  • Vol 9, No 21 (2018) - Articles
    Learning Effectiveness Based on the Problem of Solving Problems in SMP Negeri 8 Tanjungbalai
    Abstract  PDF


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