TY  - BOOK
AU  - MANGAL S.K.
AU  - UMA MANGAL
TI  - ESSENTIALS OF EDUCATIONAL TECHNOLOGY
SN  - 9788120337237
U1  - 371.33 
PY  - 2017///
CY  - NEW DELHI
PB  - PHI LEARNING PRIVATE LIMITED
KW  - EDUCATION
N1  - THE NATURE OF EDUATIONAL TECHNOLOGY
ER  -