Mujiasih, Mujiasih, Budi Waluya, Kartono Kartono, and Scolastika Mariani. “The Students’ Mathematics Communication Skill Performance After GeoGebra-Assisted EPIC-R Learning Implementation”. International Journal of Learning, Teaching and Educational Research 20, no. 10 (November 14, 2021). Accessed January 12, 2026. http://ijlter.myres.net/index.php/ijlter/article/view/14.