TI - PT - JOURNAL ARTICLE TA - erfanmag JN - erfanmag VO - 2 VI - 4 IP - 4 4099 - http://erfanmag.ir/article-1-35-fa.html 4100 - http://erfanmag.ir/article-1-35-fa.pdf SO - erfanmag 4 ABĀ  - CP - IRAN IN - LG - eng PB - erfanmag PG - 60 PT - Research YR - 2011