1. Survey research designs : towards a better understanding of their costs and benefits
پدیدآورنده : edited by R. W. Pearson and R. F. Boruch
کتابخانه: Library of Institute for Research in Fundamental Sciences (Tehran)
موضوع : Methodology ، Social sciences -- Research,Cost effectiveness ، Social sciences -- Research
رده :
QA
276
.
A1L28
Vol
.
38