Naimnule, M., Kartono, K. and Asikin, M. (2020) “Mathematics Problem Solving Ability in Terms of Adversity Quotient in Problem Based Learning Model With Peer Feedback”, Unnes Journal of Mathematics Education Research, 9(2), pp. 222-228. Available at: https://journal.unnes.ac.id/sju/ujmer/article/view/33859 (Accessed: 21December2024).