Prahmana, Rully Charitas Indra, Puguh Wahyu Prasetyo, Afit Istiandaru, Uha Isnaini, and Burhanudin Arif Nurnugroho. “Developing Number Theory Textbook for Pre-Service Mathematics Teacher of International Program”. International Journal on Emerging Mathematics Education 5, no. 2 (September 30, 2021): 107–114. Accessed November 24, 2024. https://journal.uad.ac.id/index.php/IJEME/article/view/19779.