00289nam a2200109Ia 4500008004000000082001600040100003800056245003800094250000500132260003400137300000800171210210b1960   xxu||||| |||| 00| 0 eng d  a330.07 TEAC  aTEACHING OF elementary economics.  aTeaching of elementary economics.  a  aNYbS. Chand & Co. Ltd.c1960  a269