Johnson D C Ed. <br/><br/>
Informatics and mathematics in secondary school: Impacts and relationships 

 - Amsterdam  North-Holland Publishing Company  1978 
 - x,158p. 
<br/><br/><label>ISBN: </label>0-444-85160-7 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science