TY  - BOOK
AU  - Mangal,S.K.
AU  - Mangal,Uma
TI  - Essentials of educational technology
SN  - 9788120337237 (hbk.)
PY  - 2011///
CY  - New Delhi
PB  - PHI Learning Pvt. Ltd.
KW  - Education, Elementary
KW  - India
KW  - Computer-assisted instruction
KW  - Educational technology
N1  - Third printing September 2011
ER  -