Dian Mawarsari, V., N. B. Larasati, and D. Sulistyaningsih. “‘Geometrical Land’ Learning Media Design Material for Building Flat Side Spaces”. Hipotenusa: Journal of Mathematical Society, vol. 6, no. 1, June 2024, pp. 61-75, doi:10.18326/hipotenusa.v6i1.1124.