1.
Yuliyani R, Handayani S, Somawati S. The Role of Self Efficacy Towards Mathematical Problem Solving Ability in Terms of Positive Thinking Ability. UJME [Internet]. 30Nov.2017 [cited 22Nov.2024];6(3):366-74. Available from: https://journal.unnes.ac.id/sju/ujme/article/view/19416