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The art of research report writing an introduction for beginers حسب MANYILIZU, Bunini

Marketing research Online research applications حسب Alvin C. Burns

Marketing research An applied orientation حسب Malhotra, Narest K.

Research methods in the social sciences حسب Nachmias,Chava Frankfort

Statistics حسب Harper, W. M.

Marketing research حسب Aaker, David A.

Evaluating research articles : from start to finish / حسب Girden, Ellen R.

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A textbook of research methodology in social sciences حسب Tripathi, P. C.