Furlong, N., & Lovelace, E. L. (2000). Research methods and statistics: An integrated approach. Harcourt College Publishers.
Παραπομπή Chicago StyleFurlong, Nancy, και Eugene Lovelace Lovelace. Research Methods and Statistics: An Integrated Approach. Fort Worth: Harcourt College Publishers, 2000.
Παραπομπή MLAFurlong, Nancy, και Eugene Lovelace Lovelace. Research Methods and Statistics: An Integrated Approach. Harcourt College Publishers, 2000.
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