1. Survey research methods
Author: Floyd J. Fowler
Library: Library of Faculty of Psychology and Educational Sciences University of Tehran (Tehran)
Subject: Social surveys
Classification :
HN
,
29
,.
F6
,
2002
2. Survey research methods
Author: Floyd J. Fowler
Library: Library of Graduate Faculty of Environment of Tehran Univerdity (Tehran)
Subject: Social surveys
Classification :
HN
29
.
F68
2002
