3.3 PEST
STEP-. STEP , , , .
STEP- PEST . STEP- , . , , PEST , . .
, PEST , :
(Policy),
(Economy),
(Society),
(Technology)
, . , , . , . PEST . . , , .
PEST ,
, : , 5 STEP- ( 6) [1] . ,
5.
PEST
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6
STEP-
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STEP-, , , . . . , , .
3.4
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2. / - :
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3 , 2 , 1 , 0 ;
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+1 , -1 .
7.
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