Leonard, L. and Nugroho, G.B.P.S. 2026. HALMATIKA: A Halma-Based Board Game for Learning Logarithm Concepts in Secondary Mathematics. Formatif : Jurnal Ilmiah Pendidikan MIPA. 16, 1 (Mar. 2026), 229–240. DOI:https://doi.org/10.30998/qdaptt30.