“…Undoubtedly, the former has always drawn much of the researchers' attention. Having said that, however, numerous studies have also reported the implementation of the latter around the world so far (Chou, 2018;Malmström, Pecorari & Gustafsson, 2016;Pecorari, Shaw, Irvine & Malmström, 2011;Phuong & Nguyen, 2019;Pun & Macaro, 2019;Rose, Curle, Aizawa & Thompson;Simbolon, 2017;Wu, 2006).…”