%0 Journal Article %A Fadaei, Gholam Reza %T %J Research on Information Science and Public Libraries %V 17 %N 4 %U http://publij.ir/article-1-188-fa.html %R %D 2011 %K %X %> http://publij.ir/article-1-188-fa.pdf %P 547-552 %& 547 %! %9 qualitative %L A-10-1-136 %+ University of Tehran %G eng %@ 2645-5730 %[ 2011