00455nam a22001577a 4500003000400000008004100004020001800045082001800063100002200081245004800103260003500151300001400186650003400200650003800234650002500272OSt260127b        |||||||| |||| 00| 0 eng d  a9781138654006  a658.409bD79E  aDrucker, Peter F.  aEffective Executive / cby Peter F. Drucker  a.- Londonb: Routledgec, 2025  axvi,167p.  aTechnology (Applied Sciences)  aManagement and Auxiliary Services  aExecutive Management