Purnama, E. (2022) “Grammatical Error Based On Surface Structure Taxonomy: A Case Study In Writing Narative Essay Economics Management’s Students At Universitas Nasional PASIM ”, Jurnal Sastra - Studi Ilmiah Sastra, 12(1), pp. 13-19. doi: 10.56413/studi ilmiah sastra.v12i1.291.