Research methodology :
Kothari, C. R.
Research methodology : methods & techniques / C. R. Kothari. - 4th ed. - New Delhi : New Age International publishers, 2019 - xxi, 458p.
9386649225
Research--Methodology.
Social sciences--Research--Methodology.
H62 / .K68 2019 c.1
Research methodology : methods & techniques / C. R. Kothari. - 4th ed. - New Delhi : New Age International publishers, 2019 - xxi, 458p.
9386649225
Research--Methodology.
Social sciences--Research--Methodology.
H62 / .K68 2019 c.1