Essentials of educational technology /
Mangal, S.K.
Essentials of educational technology / S.K. Mangal & Uma Mangal - New Delhi : PHI Learning, c2009 - xxiv, 812 p. : ill. ; 24 cm.
Includes bibliographical references and index
9788120337237
Education, Elementary--India
Educational technology--India
Essentials of educational technology / S.K. Mangal & Uma Mangal - New Delhi : PHI Learning, c2009 - xxiv, 812 p. : ill. ; 24 cm.
Includes bibliographical references and index
9788120337237
Education, Elementary--India
Educational technology--India