TY  - BOOK
AU  - Ryburn,W.M.
TI  - The principles of teaching
U1  - 371.3 
PY  - 1975///
CY  - New Delhi
PB  - oxford
KW  - Education
KW  - Methods of teaching
KW  - শিক্ষাবিজ্ঞান
N1  - index
ER  -