Istiqomah, Sayidah, Hardi Suyitno, and Muh. Fajar Safa’atullah. “Mathematical Problem Solving Ability of 8th Grade Students in Terms of Adversity Quotient Using Discovery Learning”. Unnes Journal of Mathematics Education 10, no. 2 (August 31, 2021): 144-154. Accessed December 22, 2024. https://journal.unnes.ac.id/sju/ujme/article/view/31699.