Doerr, Christine. <br/><br/>
Microcomputers and the 3R's :  a guide for teachers / 
Christine Doerr. 
 - Rochelle Park, N. J. :  Hayden Book,  1979. 
 - 177 p. :  ill. ;  23 cm. 
 - The Hayden microcomputer series. .
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0810451131  7.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer-assisted instruction.<br/>Microcomputers.