[1]
Sabil, H., Asrial, A., Syahrial, S., Robiansah, M.A., Zulkhi, M.D., Damayanti, L., Kiska, N., Silvia, N. and Ubaidillah, U. 2021. Online Geoboard Media Improves Understanding of Two-dimensional Flat Shape Concepts in Elementary School Students. International Journal of Elementary Education. 5, 4 (Dec. 2021), 685–691. DOI:https://doi.org/10.23887/ijee.v5i4.41785.