Cooper, H. M. (1989). Intergating research: A guide for literature reviews (2nd ed.). Newbury Park, Calif: Sage.
Παραπομπή Chicago StyleCooper, Harris M. Intergating Research: A Guide for Literature Reviews. 2nd ed. Newbury Park, Calif: Sage, 1989.
Παραπομπή MLACooper, Harris M. Intergating Research: A Guide for Literature Reviews. 2nd ed. Newbury Park, Calif: Sage, 1989.
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