Social research methods Por Dooley, David

Organizational research methods a guide for students and researchers Por Brewerton, Paul

Qualitative methods for marketplace research Por Sayre, Shay

Research design in social research Por De Vaus, David A.

Introduction to quantitative research methods an investigative approach Por Balnaves, Mark

Practical research planning and design Por Leedy, Paul D.

Research methods Por McBurney, Donald 1938-

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How to think straight about psychology. Por Stanovich, Keith E. 1950-

Practical research planning and design Por Leedy, Paul D.

Essentials of research methods in psychology Por Zechmeister, Jeanne S.