Author Details

Lumbantoruan, Jitu Halomoan, Universitas Kristen Indonesia, Jakarta, Indonesia, Indonesia

  • Vol 10, No 3 (2023) - Original Research Articles
    Elementary School Students' Effectiveness towards Improving Mathematics Learning Outcomes in Additional Material
    Abstract  PDF
  • Vol 11, No 1 (2024) - Original Research Articles
    Factors that Influence Teacher Self-Efficacy in Providing Education in the School Environment
    Abstract  PDF