00329nam a2200109Ia 450000500170000000800410001708200150005810000170007324500750009026000460016530000080021120260225051007.0260224s9999||||xx |||||||||||||| ||und||  a660.76 LUY  aW.L. Luyben  0aManagement: A systems and contigency analysis of managerial functions   aLondon: Mc-Graw-Hill Kogakusha Ltd c1973  a557