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, vol. 16, no. 1, Mar. 2026, pp. 229-40, https://doi.org/10.30998/qdaptt30.