. (2004). . (e124029). Strategy, 12(2), e124029
. "" .e124029 , Strategy, 12, 2, 2004, e124029.
. (2004). '', Strategy, 12(2), e124029.
, "," Strategy, 12 2 (2004): e124029,
. . Strategy. 2004;12(2):e124029 (In Persian).
