TY  - BOOK
AU  - Ryburn,W.M
TI  - Introduction to Educational Psychology
U1  - 370.15 
PY  - 1949///
CY  - London
PB  - Oxford  University Press
KW  - Education
KW  - Waththegama Collection
KW  - Premadasa Udagama Collection
KW  - D.A. Perera Collection
ER  -