PURBA M. MELALUI MODEL COOPERATIVE TIPE JIGSAW DAPAT MENINGKATKAN HASIL BELAJAR KIMIA KELAS XI IPA 7 SMA NEGERI 1 BATAM. EDUCATOR [Internet]. 2023May12 [cited 2026Mar.4];3(1):54-9. Available from: https://jurnalp4i.com/index.php/educator/article/view/2187