[[1] Hackman, M. Z., & Johnson, C. E. (2004). Leadership: A communication perspective (4th ed.). Long Grove, IL: Waveland.]Search in Google Scholar
[[2] Bender, P.U. (1998). Stand, deliver and lead. Ivey Business Journal, 62(3), 46-47. (http://writingcommons.org/open-text/genres/public-speaking/844-why-is-public-speaking-important]Search in Google Scholar
[[3] Recommendation of the European Parliament and of the Council of 18 December 2006 on Key Competences for Lifelong Learning (2006/962/EC)]Search in Google Scholar
[[4] Brown, H Douglas. 2000. Principles of language teaching and learning.4thedition. White Plains, NY: Longman, p.144.]Search in Google Scholar
[[5] Canale, Michael and Swain Merrill, 1980, Theoretical bases of communicative approaches to second language teaching and testing. Applied Linguistics, 1, (1) 1-47.10.1093/applin/1.1.1]Search in Google Scholar
[[6] Halliday, Michael 1973 Explorations in the Functions of Language, London: Edward Arnold, pp. 72-102.]Search in Google Scholar
[[7] Richards C Jack and Rodgers S. Theodore 2014, Approaches and Methods in Language Teaching. Cambridge Language Teaching Library, 3rd edition, p 71 http://www.amazon.com/Approaches-Methods-Language-Teaching-Cambridge10.1017/9781009024532]Search in Google Scholar
[[8] www.etsu.edu/.../LangSkil_Oral_Checklist.pdf]Search in Google Scholar
[[9] Daly, J. (1991). Understanding communication apprehension: an introduction for language educators. In E.K. Horwitz & D.J. Young (eds.), Language anxiety: from theory and research to classroom implication, Englewood Cliffs, NJ: Prentice-Hall, p. 3-15.]Search in Google Scholar
[[10] Idem.]Search in Google Scholar
