“…Some empirical studies have been well-documented in the last fifteen years. Some contributing authors include Can, Karabacak, and Qin (2016), Chalak and Norouzi (2013), Darabad (2016), Doró (2013), Fazilatfar and Naseri (2014), Jalilifar and Dastjerdi (2010), Kafes (2012), Kanoksilapatham (2013), Lorés (2004), Martín-Martín (2005), Pho (2008), Saboori and Hashemi (2013), Saeeaw and Tangkiengsirisin (2014), Samraj (2005), Sidek, Saad, Baharun, and Idris (2016), Swales and Feak (2009), Tankó (2017), Wahyu (2016). At least, four lenses are addressed: scope, source of the corpus, status of the authors, and discipline.…”