TY  - BOOK
AU  -  Travers,Robert Morris William
TI  -  Essentials of learning / 
U1  -  370.152 TRA 
PY  - 1971///, c1972]
CY  -  New York : 
PB  -  Macmillan, 
KW  -  Learning
N1  -  Includes bibliographical references (p. 495-518.)
ER  -