1.
Ardhiansah D, Muhtadi D, Apiati V. Analysis Of Cognitive Difficulties Of Junior High School Students In Solving The Problem Of Pythagorean Theorem. Koordinat [Internet]. 2025Jun.2 [cited 2026May11];6(1):25-7. Available from: http://jurnalkoordinat.org/index.php/koordinat/article/view/133