. (2001). . (e123752). Strategy, 9(1), e123752
. "" .e123752 , Strategy, 9, 1, 2001, e123752.
. (2001). '', Strategy, 9(1), e123752.
, "," Strategy, 9 1 (2001): e123752,
. . Strategy. 2001;9(1):e123752 (In Persian).
