. (2004). . (e124036). Strategy, 12(2), e124036
. "" .e124036 , Strategy, 12, 2, 2004, e124036.
. (2004). '', Strategy, 12(2), e124036.
, "," Strategy, 12 2 (2004): e124036,
. . Strategy. 2004;12(2):e124036 (In Persian).
