Gibson, Janice T <br/><br/>
Educational psychology / 
by Janice T. Gibson 
 - 2d ed 
 - New York :  Appleton-Century-Crofts,  1971 
 - xvii, 350 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational psychology--Programmed instruction