TY  - BOOK
AU  - Dietvorst,C.
TI  - Management in de klas
SN  - 9051890214
U1  - 371.1024 MANA 
PY  - 0000///[date of publication not identified]
CY  - Culemborg : Lemma, 1989
PB  - [publisher not identified]
ER  -