Rizal Nor Wahit, M. Theodora Ping, and B. . Suhatmady. “The Relation Between Reading Habit and Vocabulary Size of Seventh Semester English Department Students of Mulawarman University”. E3L: Journal of English Teaching, Linguistic, and Literature, vol. 2, no. 2, Sept. 2019, pp. 48-53, doi:10.30872/e3l.v2i2.1992.