. (2005). . (e124091). Strategy, 13(1), e124091
. "" .e124091 , Strategy, 13, 1, 2005, e124091.
. (2005). '', Strategy, 13(1), e124091.
, "," Strategy, 13 1 (2005): e124091,
. . Strategy. 2005;13(1):e124091 (In Persian).
