The teaching of science and technology in an interdisciplinary context : approaches for the primary school 
/ by Sinclair Macleod, ...George Mills, ... 
. - [Paris]  : Unesco, Divison of sciences Technical and Environmental Education, 1986
. - 133 p.  : ill., couv. ill. en coul.  ; 30 cm. 
 - Science and Technology Education  Document series  19 .
<br/><br/><label>Source: </label> Don 
<br/><br/><label>Universal Decimal Class. No.: </label>372.8