McMullen, Tim <br/><br/>
Innovative practices in secondary education :  the lower secondary stage : problems and possibilities / 
by Tim McMullen 
 - Paris :  OECD,  1978 
 - 100 p. ;  25 cm. 
<br/><br/> At head of title: Centre for Educational Research and Innovation (CERI) 
<br/><br/><label>ISBN: </label>9264117830 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, Secondary--Curricula<br/>Educational innovations