, , , . , (. 20).
. 20.
. .
, , . , , . , , .
. (RP Requirements/resource planning), :
MRP I Material requirements planning ( );
MRP II Manufacturing resource planning ( );
DRP I Distribution requirements planning ( );
DRP II Distribution resource planning ( );
SCM Supply Chain Management ( ).
( MRP I) , , , , , . MRP I , , .
80- , , .
MRP I . MRP II. , .
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MRP II MRP I , , , , . MRP II .
DRP , .
, / (DRP).
DRP MRP .
DRP II , , online. DRP II , , . , , , .
(SCM Supply Chain Management) 1980- . , / .
SCM :
- SCP (Supply Chain Planning) . SCP . SCP . , SCP- : , , , .
- SCE (Supply Chain Execution) .
SCM . SCM . SCM , . , , , : , , , , .