00339nam a2200133Ia 450000500170000008000180001710000200003524500490005526000430010430000100014758300190015794200120017699900170018820260716043042.0  a02.01.01 S617  aSingh, Manmohan  aDevelopment policy research - the task ahead  b[World Bank]aWashington, D.C.USc1989  a29 p.  c3/7/00kM2LMGR  cMmS617  c39423d39423