Amron Zarkasih Ritonga 2022. 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. International Journal Of Humanities Education and Social Sciences (IJHESS) . 1, 4 (Feb. 2022). DOI:https://doi.org/10.55227/ijhess.v1i4.116.