. (2005). . (e124089). Strategy, 13(1), e124089
. "" .e124089 , Strategy, 13, 1, 2005, e124089.
. (2005). '', Strategy, 13(1), e124089.
, "," Strategy, 13 1 (2005): e124089,
. . Strategy. 2005;13(1):e124089 (In Persian).
