Septyana, Yohanisa, Aridah Aridah, and Ida Wardani. 2021. “The Difficulties Of Argumentative Essay Writing Experienced By Undergraduate Students Of English Department Mulawarman University”. E3L: Journal of English Teaching, Linguistic, and Literature 4 (1), 33 - 45. https://doi.org/10.30872/e3l.v4i1.1906.