| References |
| Bell, Judith (1999) Doing your research project � A guide for first time researchers in education and social science. Third edition. Open University Press: Great Britain de Vaus, D.A (1996) Sureveys in social research fourth edition. UCL Press limited: London. Kirk, J and Miller, M.L (1986) Reliability and validity in qualitative research Sage Publications Inc. USA Kvale, Steinar (1996) Inter Views An introduction to qualitative research interviewing. Sage Publications: United States of America Smith, H.W (1981) Strategies of Social Research second edition. Prentice Hall International: London. |