Aritonang R. MENINGKATKAN HASIL BELAJAR MATEMATIKA MELALUI MODEL PEMBELAJARAN KOOPERATIF JIGSAW. PIP [Internet]. 2014 Oct. 16 [cited 2024 Nov. 24];28(2):97-107. Available from: https://journal.unj.ac.id/unj/index.php/pip/article/view/3359