Research methodology :
Kothari, C. R.
Research methodology : methods and techniques / C. R.Kothari - New Delhi : Wiley Eastern Lilmited, 1988. - xii, 500 p. ; 22 cm.
0852264771
Research methodology
Sampling fundation
Methods -- data collection
658.018 KOT
Research methodology : methods and techniques / C. R.Kothari - New Delhi : Wiley Eastern Lilmited, 1988. - xii, 500 p. ; 22 cm.
0852264771
Research methodology
Sampling fundation
Methods -- data collection
658.018 KOT