Hamid MA, Alfi C, Fatih M. Development of Tangram Media in Mathematics Learning Flat Built Materials to Improve Self Efficacy in Class 2 of Kendalrejo Negeri Srengat Primary School. edumaspul [Internet]. 1Mar.2024 [cited 4Dec.2024];8(1):2545-54. Available from: https://ummaspul.e-journal.id/maspuljr/article/view/8293