Nining Safitri, D. C. S. “Comparative Study Between Jigsaw 1 Model and Picture Composition to Enhance Students’ Ability in Writing Descriptive Text”. Acuity: Journal of English Language Pedagogy, Literature and Culture, vol. 3, no. 1, Feb. 2018, pp. 1-10, doi:10.35974/acuity.v3i1.624.