TY  - BOOK
AU  - HATMANN (Theo)
TI  - Professional management: theory and practice
U1  - 658 HAIP 
PY  - 1976///
CY  - ND
PB  - Eurasia publishing house (P) ltd.
KW  - theory
KW  - Professional
KW  - practice
KW  - management
KW  - and
ER  -