Andrianingsih V, Waluya SB, Sugianto S. Mathematical Communication Ability Assessed By Student Self- efficacy In Learning The Two Stay Two Stray (TSTS) Model on Ability of Process Approach. UJMER [Internet]. 17Dec.2019 [cited 4May2024];10(A):140-6. Available from: https://journal.unnes.ac.id/sju/ujmer/article/view/36180