Hasanah, L., S. Pradina, A. Hadita, and W. C. Putri. “Sociolinguistic Influence in the Use of English As a Second Language (ESL) Classroom: Seeing from Onovughe’s (2012) Perspective: ”. Elsya : Journal of English Language Studies, Vol. 1, no. 1, May 2019, pp. 28-32, doi:10.31849/elsya.v1i1.2538.