Yerizon Y, Ahda Y, Amsari D. The influence of contextual approach to students’ problem solving ability of Class IX of SMP Negeri 1 Bayang. EJSMT [Internet]. 2019 Dec. 10 [cited 2024 May 5];6(2):1-8. Available from: https://ejournal.upsi.edu.my/index.php/EJSMT/article/view/2363