Introduction to research methods / Burns, Robert B. (Robert Bruce), 1939-

Psychology -- Statistical methods.

Research methods for criminal justice and criminology / Champion, Dean J.

Criminal justice research methods : qualitative and quantitative approaches / Neuman, W. Lawrence.

Chiang, Alpha C., 1927- Fundamental methods of mathematical economics.

Scientific method for ecological research / Ford, E. D. (Edward David)

Media and communication research methods : an introduction to qualitative and quantitative

Public health -- methods.

Quantitative methods for marketing decisions / Wegner, Trevor.

Psychology -- methods.

Construction and methods and planning Illingworth,J.R

Research methods McBurney, Donald H