Sinaga DL, Surya E, Mulyono M, Lumbantobing H. Analyzing Students’ Deductive Reasoning and Problem-Solving Skills in Algebraic Derivatives: The Role of Adversity Quotient (AQ). j. perspekt. [Internet]. 2025 Jun. 18 [cited 2025 Jun. 20];9(2):352-65. Available from: http://perspektif.uinsgd.ac.id/index.php/JP/article/view/379