[1]
Sudirman, S. dan Martadiputra, B.A.P. 2020. Exploratory case study difficulty of junior high school students in resolving problems of the pyramids surface area. Math Didactic: Jurnal Pendidikan Matematika. 6, 3 (Des 2020), 277-286. DOI:https://doi.org/10.33654/math.v6i3.1131.