Taubah, Rofinda, Isnarto Isnarto, and Rochmad Rochmad. 2018. “Student Critical Thinking Viewed from Mathematical Self-Efficacy in Means Ends Analysis Learning With the Realistic Mathematics Education Approach”. Unnes Journal of Mathematics Education Research 7 (1), 189-95. https://journal.unnes.ac.id/sju/ujmer/article/view/25562.