Mirzaei, A. , , Roohani, A. , and Esmaeili, M. . "Exploring Pragmalinguistic and Sociopragmatic Variability in Speech Act Production of L2 Learners and Native Speakers", Teaching English as a Second Language Quarterly (Formerly Journal of Teaching Language Skills), 31, 3, 2012, 79-102. doi: 10.22099/jtls.2012.622