RT - Journal Article T1 - JF - safinahjrn YR - 2020 JO - safinahjrn VO - 17 IS - 68 UR - http://safinahmagazine.ir/article-1-33-fa.html SP - 185 EP - 193 AB - LA eng UL http://safinahmagazine.ir/article-1-33-fa.html M3 ER -