“…Moreover, when learners are equipped with various methods, they can adapt the strategy according to the learning context. Several long-term studies have been conducted to examine VLS in EFL contexts at a tertiary level (Fan, 2003;Kongthong, 2007;Siriwan, 2007;Bernardo & Gonzales, 2009;Mustapha & Asgari, 2010;Zhang, 2011;Heng, 2011;Pookcharoen, 2011;Komol & Sripetpun, 2011;Han, 2014;Nirattisai & Chiramanee, 2014;Boonkongsaen & Intaraprasert, 2014;Saengpakdeejit, 2014;Rojananak & Vitayapirak, 2015;Phonhan, 2016;Nie & Zhou, 2017;Panduangkaew, 2018;Boonnoon, 2019). Other studies have assessed the frequency of VLS use and the relationship between VLS and other aspects such as academic field of study, learners' English proficiency, and gender.…”