Hatfield, Larry L. <br/><br/>
Computer-extended problem solving and enquiry 
by Larry L. Hatfield 
 - 2d ed 
 - Ohio  ERIC Information analysis Center for Science mathematics & Enveironmental Education  1973 
 - [ 2 ],35p.; 28cm.- 
 - Use of coputer in mathematics education resource series, no.2. .
<br/><br/><label>Dewey Class. No.: </label>510.285  / HAT