Epidemiologic Methods.

Research methods and statistics for public and nonprofit administrators : a practical guide /

Researching educational leadership and management : methods and approaches / Brundrett, Mark

Risk management for engineering projects : procedures, methods and tools / Munier, Nolberto, author.

Social sciences -- Statistical methods.

Routledge handbook of research methods in military studies / Soeters, J., editor of compilation.

Engineering -- Statistical methods -- Textbooks.

Social sciences -- Statistical methods.

Research methods for the social sciences ;

Handbook of research methods in social and personality psychology / Reis, Harry T.

Simulation methods.

Observation (Educational method)