RT - Journal Article T1 - JF - IJME YR - 2008 JO - IJME VO - 8 IS - 1 UR - http://ijme.mui.ac.ir/article-1-790-fa.html SP - 175 EP - 185 AB - LA eng UL http://ijme.mui.ac.ir/article-1-790-fa.html M3 ER -