Salsabila Indana Zulfa, Sentot Kusairi, Fatah Kurniawan. Exploration of High School Students’ Difficulties on Newton’s Law Material with Isomorphic Tests . KPEJ [Internet]. 2025 Jun. 11 [cited 2026 Apr. 2];8(1):1-13. Available from: https://journalfkipunipa.org/index.php/kpej/article/view/851