TY - JOUR JF - jgs JO - jgs VL - 14 IS - 35 PY - 2015 Y1 - 2015/3/01 TI - index TT - فهرست فارسی N2 - SP - 1 EP - 6 AD - UR - http://jgs.khu.ac.ir/article-1-2509-en.html ER -