00325nam a2200133 a 4500008004100000050001500041100001300056245003600069250001500105260002600120300002300146350000900169650001300178120416s1980    ||||||||||||||||| ||    u  aHF 353 Lea  aLeafe, M10aCertificate studies in commerce  a2nd rev. e  aLondonbCassellc1980  aviii, 170p. : ill.  a0.00 0aCOMMERCE