Abdussakir A, Firmansyah A, Rosikhoh D, Achadiyah NL. The Geoboard Teaching Aid on Similarity and Symmetry Topics for Elementary School Students. EJRPM [Internet]. 2022Jun.3 [cited 2024Nov.21];5(1):14-23. Available from: https://ejournal.iainkerinci.ac.id/index.php/edumatika/article/view/1088