Sapto A, Suyitno H, Kartono K. Problem Solving Ability of Class VIII Students Viewed from Cognitive Style in Attention Relevance Confidence Satisfaction Model Assisted by Problem Cards. UJMER [Internet]. 6Jan.2019 [cited 5May2024];8(2):133-40. Available from: https://journal.unnes.ac.id/sju/ujmer/article/view/28017