%0 Journal Article %A Bafande, Alireza, Soltanifsgndes, Gholamreza %T A study of fundamental and indices of knowledge based economy in Islamic countries of middle-east and North Africa %J The Journal of Productivity Management %V 2 %N 3 %P 117-143 %D 2008 %R %U https://sanad.iau.ir/fa/Article/976138