00660nam a2200229Ia 4500 20240309092044.0 140110s9999 xx 000 0 und d 9788131303610 Rs.695.00 Loreto College English 371.33 SIN Singh, Y.K. Educational Technology : Teaching-Learning, Y.K. Singh, T.K. Sharma and Brijesh Upadhya New Delhi A P H Publishing 2008 332p. Includes bibliographical references Educational technology Education Sharma, T.K. LCLIB BK 38072 88551 0 0 ddc 0 0 MAIN MAIN 2013-11-04 7 371.33 SIN 49566 B41411 2022-06-04 2022-05-27 2013-11-04 BK