Nurhaqiqi Noviyana, Ika, Rochmad Rochmad, and Nuriana Dewi (Nino Adhi). 2020. “Student Mathematical Communication Ability Viewed from Self-Confidence in the ARIAS Model Nuanced Ethnomathematics”. Unnes Journal of Mathematics Education Research 9 (1), 106-13. https://journal.unnes.ac.id/sju/ujmer/article/view/32070.