Masrifah M, Setiawan A, Sinaga P, Setiawan W. An Investigation of Physics Teachers’ Multiple Representation Ability on Newton’s Law Concept. jpppf [Internet]. 2020 Jun. 30 [cited 2024 Dec. 22];6(1):105-12. Available from: https://journal.unj.ac.id/unj/index.php/jpppf/article/view/14120