. (1991). -. (e15540). Management Knowledge(Not Publish), 15(0), e15540
. "-" .e15540 , Management Knowledge(Not Publish), 15, 0, 1991, e15540.
. (1991). '-', Management Knowledge(Not Publish), 15(0), e15540.
, "-," Management Knowledge(Not Publish), 15 0 (1991): e15540,
. -. Management Knowledge(Not Publish). 1991;15(0):e15540 (In Persian).
