TY  - GEN
AU  - McMullen,Tim
ED  - Centre for Educational Research and Innovation
TI  - Innovative practices in secondary education: the lower secondary stage : problems and possibilities 
PY  - 1978///
CY  - Paris, (London)
PB  - Organisation for Economic Co-operation and Development, 
KW  - Educational innovations
KW  - Education, Secondary
ER  -