How to measure survey reliability and validity
Litwin, MS.
How to measure survey reliability and validity Mark S. Litwin - New Delhi: SAGE Publications ; 1995. - 85P. :
0803957041
Public Health--Research Methodology
WA 20.5 / L37
How to measure survey reliability and validity Mark S. Litwin - New Delhi: SAGE Publications ; 1995. - 85P. :
0803957041
Public Health--Research Methodology
WA 20.5 / L37