Communication research and evaluation por Librero, Felix, Suva, Madeline M., Tirol, Ma. Stella C.

Protein function a practical approach. por Creighton, Thomas E., 1940-

Out of the darkness contemporary perspectives on family violence

Social research issues, methods and process por May, Tim

Research methods for social work por Rubin, Allen

Focus groups as qualitative research por Morgan, David L.

Social research methods qualitative and quantitative approaches por Neuman, William Lawrence 1950-

Research methods por Nation, Jack R.

Social research methods qualitative and quantitative approaches por Neuman, William Lawrence 1950-

Research methods in psychology por Shaughnassey, John J.

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