TY  - BOOK
AU  - Husen, Torsten
AU  - Postlethwaite,T.Neville
TI  - The international encyclopedia of education . Vol. 5
SN  - 0-08-041046-4
U1  - 370.3 
PY  - 1994///
CY  - New York
PB  - Pergamon pub
KW  - Education
ER  -