Hartono, H., F. Nursyahidah, and W. Kusumaningsih. “Learning Design of Lines and Angles for 7th -Grade Using Joglo Traditional House Context”. JRAMathEdu (Journal of Research and Advances in Mathematics Education), vol. 6, no. 4, Oct. 2021, pp. 316-30, doi:10.23917/jramathedu.v6i4.14592.