(NpROGNOZIROWANIE RAZWITIQ I RAZME]ENIQ PROIZWODITELXNYH SIL \KONOMI^ESKOGO RAJONAs - (NmOSKWIN b(B.(Nws ((NlENINGRADs (NlENINGRADSKOE OTDELENIEs, 1981)