Thrope, B Cleata <br/><br/>
Teaching elementary arithmetics / 
by B Cleata Thrope 
 -  Harper, 
 - 412p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Arithmetic --Teaching
<br/><br/><label>Dewey Class. No.: </label>370  / THO.T