Hairunnisah, Hairunnisah, Hardi Suyitno, and Isti Hidayah. 2019. “Students Mathematical Literacy Ability Judging from the Adversity Quotient and Gender in Problem Based Learning Assisted Edmodo”. Unnes Journal of Mathematics Education Research 8 (2), 180-87. https://journal.unnes.ac.id/sju/ujmer/article/view/28120.