00307nam a2200109 a 450000500170000008200130001710000220003024500470005226000570009930000270015663000140018320251202164232.0  a330bDRU  aDrucker, Peter F.  aToward the next economics and other essays  aMassachusetts, BostonbHarvard Bussiness Pressc1982  axi, 216 p.c24 cm.bHB  aEconomics