Ly, Nguyen Ngoc, and Nguyen Thuy Nga. 2020. “An Investigation into the Effects of Extensive Listening on Pre-Intermediate learners’ English Vocabulary Learning at The Asian International School”. HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE - SOCIAL SCIENCES 10 (1):3-17. https://doi.org/10.46223/HCMCOUJS.soci.en.10.1.552.2020.