Technology communication and AV AIDS in extension education /
630.7153VEN
Venkatasubramanian, V.
Technology communication and AV AIDS in extension education / by V. Venkatasubramanian.- Chennai :New Century Book House ,2001.
xiii, 273p.:b&w photos ;24cm (pbk)
Note: Includes bibliographical references, glossary and index
ISBN:8123407068 Rs. 80.00
DBAD / PUB /ENG-92249/ EN-75782 / 80.00 /sign