Kothari, C. R.,
Research methodology : methods and techniques /
C.R. Kothari, R.C. Gupta.
- Fourth Edition.
- xxi, 458 pages: illustrations. 24 cm.
عطاءات Includes index.
9789386649225
Research--Methodology
Scientific Research Methodology
--Science
Q180.55.M4 / .K684 2019