TY  - BOOK
AU  - Pachauri,Suresh Chandra .
AU  - Dr.Kumar Pardeep .
AU  - Dr.Rana Pratap Singh .
TI  - Educational technology
SN  - 978-81-313-0976-6
U1  - 371.33 PAC 
CY  - Delhi
N1  - Includes bibliographical reference and index
ER  -