Bell, J. 1. (1993). Doing your research project: A guide for first-time researchers in education and social science (2nd ed.). Buckingham ; Philadelphia: Open University Press.
Παραπομπή Chicago StyleBell, Judith 1930-. Doing Your Research Project: A Guide for First-time Researchers in Education and Social Science. 2nd ed. Buckingham ; Philadelphia: Open University Press, 1993.
Παραπομπή MLABell, Judith 1930-. Doing Your Research Project: A Guide for First-time Researchers in Education and Social Science. 2nd ed. Buckingham ; Philadelphia: Open University Press, 1993.
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