TY  - BOOK
AU  - Das, R.C..
TI  - Educational Technology :Basic Text / 
SN  - 81 207 15055 5
U1  - T:3 
PY  - 1972///
CY  - New Delhi-110029 : 
PB  - Sterling Publishers Pvt. Ltd. , 
KW  - Education <Teaching Techniques>
ER  -