Sound change of z becomes dʒ

24 accent and „unique‟ pronunciation which are different from the standard pronunciation. This research focused on the pronunciation variations with Javanese accent. Future researchers may do research about the pronunciation variations with other accent from other regions or other tribes in Indonesia, or perhaps outside Indonesia. This kind of research is beneficial as new knowledge for language learners, especially to practice their listening towards various pronunciation variations of a certain language. 25 REFERENCES Aitchison, J. 2003. Teach yourself: Linguistics. New York: Hodder and Soughton. Ary, D., Jacobs, L. C., Sorensen, C. K. 2010. Introduction to research in education 8 th ed. Belmont: Wadsworth. Bamgbose, A. 1998. Torn between the norms: innovations in world englishes [Electronic version]. World Englishes, 173, 1-14. Charity, H. A. H., Mallinson, C. 2011. Understanding English language variation in U.S. schools. New York: Teachers College Press. Collins, B. Mees I. M. 2003. Practical phonetics and phonology. London: Routledge. Connine, C. M., Pinnow E. 2006. Phonological variation in spoken word recognition: Episodes and abstractions [Electronic version]. The Linguistic Review. 23, 235-245. Crystal, D. 2008. A dictionary of linguistics and phonetics 6 th ed. Oxford: Blackwell Publishers. Dalton, C. Seidholfer, B. 1994. Pronunciation. Oxford: Oxford Univesity Press. Fromkin, V., Rodman, R., Hyams, N. M. 2007. An introduction to language. Boston: Thomson Wadsworth. Hazen, K. 2001. Teaching about dialects. Washington, D.C.: Center for Applied Linguistics. Hornby, A.S. Ed.. 2005. Oxford advanced learner’s dictionary 7 th ed. Oxford: Oxford University Press. Horne, E. C. 1961. Beginning javanese. New Haven: Yale University Press. Jenkins, J. 2000. The phonology of English as an international language. Oxford: Oxford University Press.