Haylock, Derek <br/><br/>
Mathematics every elementary teacher should know / 
Derek Haylock, Douglas McDougall 
 - Toronto :  Trifolium Books,  1999 
 - 216 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>1552440125  RM139.45 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)