. 25 . ., . , , . , . , , . . , 1 . .
1978 . . . . , 115 . 150 , . 65 . . 40 . ., .. 3800 . .
, , , . , , . . , . - ( ) . . . , . , . .
, , , 24 . . . , , .
. . . 60 , 20. . , , .
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-: . . . 1984 ., 85% ( 50% 1978 .). 6000 3000 1978 . 1 13 . 1 50 . . , .
: Joy Finegan, Four Star Management, Inc., January 1987, pp. 42-51.
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