00378    a2200145   4500020001800000082001300018100002100031245004900052250000900101260003500110300002300145650002800168650001400196700002200210  a9788131725634  a337bKRU  aKrugman, Paul R.  aInternational economicsbtheory and practice  a8th   aNew DelhibPearsonc2009g2009  axxviii,706p.c26cm  aINTERNATIONAL ECONOMICS  aECONOMICS  aObstfeld, Maurice