Practical research: planning and design
LEEDY, Paul D.
Practical research: planning and design Paul D. Leedy [aut]. - New York Macmillan 1974 - 246 p.
Includes index
0023692405
Research--Methodology
Research design
Practical research: planning and design Paul D. Leedy [aut]. - New York Macmillan 1974 - 246 p.
Includes index
0023692405
Research--Methodology
Research design