Ramadhan, M.R. and Syahrul, S. 2021. THE CORRELATION BETWEEN STUDENTS’ INTERNET ACTIVITY FREQUENCY AND THEIR VOCABULARY SIZE AT IAIN BUKITTINGGI. ELTALL: English Language Teaching, Applied Linguistic and Literature. 2, 2 (Sep. 2021), 81. DOI:https://doi.org/10.21154/eltall.v2i2.3211.