1. English Language Institute, School of Humanities and Social Sciences, United International University, United City, Dhaka 1212, Bangladesh
2. Department of English, American International University-Bangladesh, Dhaka 1229, Bangladesh
3. Department of English, Ibb University, Yemen & Najran University, P.O. Box 1988, Najran, Saudi Arabia
4. Department of Applied Linguistics, Faculty of Informatics and Management, University of Hradec Kralove, Rokitanskeho 62, 500 03 Hradec Králové, Czech Republic