Research design : qualitative and quantitative approaches
John W. Creswell
- Thousand Oaks, Calif. ; London : Sage Publications, c1994.
- xix, 228p. : ill. ; 24cm.
Includes bibliographies and indexes.
0803952546 No price 0803952554 (pbk) : No price
94004236
GB9456394 bnb
Social sciences--Research--Methodology Social sciences--Statistical methods