Theory and practice of research - experimental designs (including concept of validity and reliability) /
Theory and practice of research - experimental designs (including concept of validity and reliability) /
Ricardo S. Guanzon, Rberto Ruiz
The Filipino Family Physician, 1999 37 (1) pages 17-24
Research
Research Design
The Filipino Family Physician, 1999 37 (1) pages 17-24
Research
Research Design