TY  - BOOK
AU  - Sharma, Sita Rama and Vohra, A. L.
TI  - Encyclopaedia of educational technology: programmed learning
SN  - 8170416582
U1  - 370.3 
PY  - 1993///
CY  - New delhi
PB  - Anmol Publications
KW  - Education-encyclopedia
KW  - Encyclopedia
ER  -