Patil S.G, Pradhan, & Kulkarni. (1983). Modern marketing research (3rd ed.). Himalaya Publishing Company.
Dyfyniad Arddull ChicagoPatil S.G, Pradhan, and Kulkarni. Modern Marketing Research. 3rd ed. Bombay: Himalaya Publishing Company, 1983.
Dyfyniad MLAPatil S.G, et al. Modern Marketing Research. 3rd ed. Himalaya Publishing Company, 1983.
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