Survey research designs :
Survey research designs : towards a better understanding oftheir costs and benefits /
ed. by R. W. Pearson and R. F. Boruch.
- Berlin : Springer-Verlag, 1986.
- v, 129 p. ; 25 cm.
3-540-96428-2
H62 / S87
3-540-96428-2
H62 / S87