TY  - BOOK
AU  - Perkins,Hugh V.
AU  - 
TI  - Human development & learning. 
U1  - 150.1943/PEH(2) 
PY  - 0000///Wordsworth
PY  - 1974///
CY  - California 
KW  - Human Behaviour
KW  - Psychology
N1  - Includes index and bibliography.
ER  -