Leonard, Leonard, and Galih Budi Prasetyo Suryo Nugroho. “HALMATIKA: A Halma-Based Board Game for Learning Logarithm Concepts in Secondary Mathematics”. Formatif : Jurnal Ilmiah Pendidikan MIPA 16, no. 1 (March 31, 2026): 229–240. Accessed April 18, 2026. https://newjournal.lppmunindra.ac.id/index.php/formatif/article/view/2230.