"drucker, peter f. "
the effective executive: / peter.f. drucker - 1 ed. - uk : heinemann 1967. - "viii, 148p.; 22 cm."
434 20950 3 hard cover
--
658. 4 dru
the effective executive: / peter.f. drucker - 1 ed. - uk : heinemann 1967. - "viii, 148p.; 22 cm."
434 20950 3 hard cover
--
658. 4 dru