Olsen,Wendy.
Data collection : key debates and methods in social research/ - Los Angeles: Sage, 2012. - 234p.;
978184782562
Data collectuon
Research methodology
001.433 / OLS/D
Data collection : key debates and methods in social research/ - Los Angeles: Sage, 2012. - 234p.;
978184782562
Data collectuon
Research methodology
001.433 / OLS/D