Dr. Mardianto and Eka Lestari Wijaya (2021) “THE EFFECT OF CONTEXTUAL TEACHING AND LEARNING (CTL) AND CONVENTIONAL METHOD ON MATHEMATICS THINGKING ABILITY OF ISLAMIC SENIOR HIGH SCHOOL STUDENTS 1 IN MEDAN”, Researchers World - International Refereed Social Sciences Journal, 7(4(1), pp. 92–99. Available at: https://researchersworld.com/index.php/rworld/article/view/518 (Accessed: 9 August 2025).