Troutman, Andria,  1936- <br/><br/>
Mathematics :  a good beginning  strategies for teaching children / 
Andria P. Troutman, Betty K. Lichtenberg. 
 - Monterey, Ca. :  Brooks/Cole Publishing Co.,  1977. 
 - 598 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>0818502223 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary).