Lekawael, R.F.J. and Ferdinandus, M.S. 2021. INVESTIGATING UNDERGRADUATE STUDENTS’ PERCEPTIONS OF EXTENSIVE READING TOWARD THEIR VOCABULARY MASTERY IN ENGLISH DEPARTMENT OF PATTIMURA UNIVERSITY AMBON. English Review: Journal of English Education. 9, 2 (Jun. 2021), 345-354. DOI:https://doi.org/10.25134/erjee.v9i2.4362.