Informatics and the teaching of mathematics :  proceedings of the IFIP TC 3/WG 3.1 Working Conference on Informatics and the Teaching of Mathematics, Sofia, Bulgaria, 16-18 May, 1987 / 
edited by David C. Johnson and Frank Lovis. 
 - Amsterdam :  North-Holland,  1987. 
 - 172 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>044470325X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing--Study and Teaching--Congresses.<br/>Mathematics--Study and teaching--Congresses.<br/>Computer-assisted instruction--Congresses.