. (1991). -. (e15560). Management Knowledge(Not Publish), 12(0), e15560
. "-" .e15560 , Management Knowledge(Not Publish), 12, 0, 1991, e15560.
. (1991). '-', Management Knowledge(Not Publish), 12(0), e15560.
, "-," Management Knowledge(Not Publish), 12 0 (1991): e15560,
. -. Management Knowledge(Not Publish). 1991;12(0):e15560 (In Persian).
