TY - BOOK AU - Sampath, K. AU - Panneerselvam, A. AU - Santhanam, S. TI - Introduction to educational technology SN - 9788120731394 U1 - Res 317.33 Sa473 2004 PY - 2004/// CY - New Delhi, India PB - Sterling Publisher Private Ltd. KW - Educational technology N1 - Includes index. ER -