Aini, G.M. et al. 2023. Ethnomathematics: Exploration of Geometry from Karang Bayan Ancient Mosque in Elementary School Mathematics Learning . Mosharafa: Jurnal Pendidikan Matematika. 12, 3 (Jul. 2023), 517–530. DOI:https://doi.org/10.31980/mosharafa.v12i3.824.