TY  - BOOK
AU  - Sampath,K.
AU  - PANNEERSELVAM,A.
AU  - SANTHANAM,S.
TI  - Introduction to educational technology.
SN  - 8120703766
PY  - 1990///
CY  - New Delhi
PB  - Sterling
KW  - Education
KW  - Educational technology
N1  - Includes bibliographical references and index
ER  -