" "
" "
Drucker P
:
Drucker P
:
2
:
12354
:
774
:
11
:
Drucker P. Management: tasks, responsibilities, practices. N.Y.: Harper & Row, 1974. 839 p.
(: 6701, : 774, : 11)
Drucker P. People and performance. London: Heinemann, 1977. - 366 p.
(: 5653, : 0, : 0)
© 2007.