Johnson, Donovan A. <br/><br/>
Guidelines for teaching mathematics / 
Donovan A. Johnson. 
 - 2nd ed. 
 - Belmont, Ca. :  Wadsworth Publishing Co.,  1972. 
 - x, 544 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0534001890 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.