Werdiningsih, Endang, Masrukan Masrukan, and Iwan Junaedi. 2018. “The Analysis of Student’s Mathematical Communication Ability on The Ethno-Mathematics Based Thinking Aloud Pairs Problem Solving (TAPPS) Learning”. Journal of Primary Education 8 (2), 218-24. https://journal.unnes.ac.id/sju/jpe/article/view/26222.