Blankenship, A., & Doyle, J. (1965). Marketing research management. D.B Taraporevala Sons & Co.
Dyfyniad Arddull ChicagoBlankenship, A.B, and J.B Doyle. Marketing Research Management. Bombay: D.B Taraporevala Sons & Co, 1965.
Dyfyniad MLABlankenship, A.B, and J.B Doyle. Marketing Research Management. D.B Taraporevala Sons & Co, 1965.
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