00398nam a2200169Ia 4500003000500000008004100005020001500046040001900061082000700080100002300087100001500110245003100125260004200156300001000198365000800208546001200216STCL221019s9999 xx 000 0 und d a8121907934 aSTCLcSTCLbEN 222 aDtt, Kewal Krishan aVarma, J D 0aElementary economic theory bS. Chand and CompanyaNew Delhic2011 a546 p b225 aEnglish