Biggs, J. B. <br/><br/>
Mathematics and the conditions of learnin  a study of arithematic in the primary school 

 - England:  Wales,  1967. 
 - xi, 441p. 
<br/><br/> HBK 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics-Study and teaching
<br/><br/><label>Dewey Class. No.: </label>510.7  / BIM