TY  - BOOK
AU  - Mangal, S, K
AU  - Mangal, Uma
TI  - Essentials of Educational Technology
SN  - 13807
U1  - 371.3 M S 16th ed
PY  - 2012///
PB  - Vikash Puiblishing House Pvt Ltd
KW  - Education
ER  -