Amron Zarkasih Ritonga. Efforts to Improve the Learning Outcomes of Students of Class VII MTs Negeri 2 Rantau Utara On Material Creative Writing Poetry Through a Strategy of Cooperative Learning Type of Jig-Saw. IJHESS [Internet]. 2022 Feb. 23 [cited 2026 May 12];1(4). Available from: https://ijhess.com/index.php/ijhess/article/view/116