“The Effect of Jigsaw Type Cooperative Learning Model Assisted By Mind Mapping Media and Environmental Vocabulary Mastery on Narrative Text Writing Skills of Class IX SMP Negeri 2 Batang Anai Students” (2025) Jurnal Onoma: Pendidikan, Bahasa, dan Sastra, 11(2), pp. 2371–2386. doi:10.30605/onoma.v11i2.5786.