Do-it-yourself marketing research por Breen, George Edward 1911-

Do-it-yourself marketing research por Breen, George Edward 1911-, Blankenship, Albert Breneman 1914-

Marketing research management por Blankenship, Albert Breneman 1914

Marketing research management por Blankenship, Albert Breneman 1914-

How to conduct consumer and opinion research; the sampling survey in operation por Blankenship, Albert Breneman 1914- ed

How to conduct consumer and opinion research; the sampling survey in operation por Blankenship, Albert Breneman 1914- ed

COnsumer and opinion research, the questionnaire technique por Blankenship, Albert Breneman 1914-

Consumer and opinion research the questionnaire technique por Blankenship, Albert Breneman 1914-