AU - Fathi, Mohamad TI - PT - JOURNAL ARTICLE TA - ijwmse JN - ijwmse VO - 6 VI - 19 IP - 19 4099 - http://jwmsei.ir/article-1-324-fa.html 4100 - http://jwmsei.ir/article-1-324-fa.pdf SO - ijwmse 19 ABĀ  - CP - IRAN IN - LG - eng PB - ijwmse PG - 59 PT - Research YR - 2012