Mamchak, P. Susan,  1944- <br/><br/>
Handbook of discovery techniques in elementary school teaching / 
P. Susan Mamchak and Steven R. Mamchak 
 - West Nyack, N.Y :  Parker Pub. Co,  1977 
 - 227 p. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0133772349 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Learning by discovery<br/>Motivation in education