00297nam a2200121Ia 4500008004100000020001800041082001600059100001800075245003000093260003900123300000800162650000500170140316s9999    xx            000 0 und d  a9788181921611  a334bCHA/EC  aChaudhary,C M  aEconomics of co-operation  aJaipurbSublime publicationsc2009  a238  a