TY - GEN AU - Singh, Y.K. AU - Sharma, T.K. AU - Upadhya, Brijesh TI - Educational technology: management and planning (modified syllabus of B.T.C./B.Ed./M.Ed./ of Indian and Foreign Universities/training Inst. and Education Colleges recognized by NCTE, N.D.) SN - 9788131303658 U1 - 371.3078 PY - 2008/// CY - New Delhi PB - A P H Publishing Corporation N1 - Includes bibliographical references ER -