Early Medical Intervention -- methods.

Some mathematical methods of physics / Goertzel, Gerald, 1919- author.

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

Observation (Educational method)

Introduction to research methods in education / Punch, Keith, author.

Research methods for business : a skill-building approach / Sekaran, Uma.

Using IBM SPSS Statistics for Research Methods and Social Science Statistics / Wagner III, William

Making Sense of the Social World : Methods of Investigation. Chambliss, Daniel F.

Qualitative research methods ;

Filosofisk metode

An applied reference guide to research designs : quantitative, qualitative, and mixed methods /

Economics -- Statistical methods.