Ihtiani, Ana, and Arief Agoestanto. “Analysis of Students Error in Global Meta-Level Algebraic Thinking on Problem Proving on CORE Learning Assisted by Scaffolding”. Unnes Journal of Mathematics Education 10, no. 1 (March 31, 2021): 27-38. Accessed December 21, 2024. https://journal.unnes.ac.id/sju/ujme/article/view/32419.