Hellriegel, Don.
Management / Don Hellriegel, John W. Slocum. - 5th ed. - Addison-Wesley 1989.
4245
Management.
HD31 / Hel.
Management / Don Hellriegel, John W. Slocum. - 5th ed. - Addison-Wesley 1989.
4245
Management.
HD31 / Hel.