RT - Journal Article T1 - index JF - jgs YR - 2014 JO - jgs VO - 14 IS - 32 UR - http://jgs.khu.ac.ir/article-1-2511-fa.html SP - 1 EP - 6 AB - LA eng UL http://jgs.khu.ac.ir/article-1-2511-fa.html M3 ER -