Gray, William A. <br/><br/>
Learning by doing :  developing teaching skill / 
(by) William A. Gray, Brian A. Gerrard. 
 - Reading, Mass. :  Addison-Wesley,  1977. 
 - vi, 409 p. : ill. ; 24 cm. 
<br/><br/>Bibliography: p. 406-409. 
<br/><br/><label>ISBN: </label>0201025477 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Activity programs in education