Dinata, Karsoni Berta, Undang Rosidin, Irawan Suprapto, Sugeng Sutiarso, Dwi Yulianti, and Sumarno. 2024. “Epsipo Strategy: Character Strengthening through Cultural Project-Based Mathematics Learning”. Hipotenusa: Journal of Mathematical Society 6 (2):129-49. https://doi.org/10.18326/hipotenusa.v6i2.2255.