TY  - BOOK
AU  - PRAKASH,RAVI
AU  - BHATT,B D
TI  - MODERN ENCYCLOPAEDIA OF EDUCATIONAL TECHNOLOGY / 
SN  - 8173910308
U1  - REF 
PY  - 1994///
CY  - الهند : 
PB  - KNESHRA PUBLISHER DISRITOUTARS ، 
KW  - EDUCATION
KW  - ENCYCLOPEDIAS
ER  -