TY  - BOOK
AU  - Gillham,Bill
TI  - Problem behaviour in the secondary school: a systems approach 
SN  - 0-7099-1102-5
U1  - 373.146 21E
PY  - 1981///
CY  - London
PB  - Croom Helm
N1  - Bibliogr. p. 184-191
ER  -