00643nam a2200229 a 450000500170000002000180001708200160003510000180005124500740006925000210014326000380016430000340020260000080023663000140024463000270025885600060028585600060029196400160029799700110031399900190032495200700034320251219155823.0  a9789325976153  a371.33bAGG  aAggarwal, J.C  aEssentials of educational technologybinnovation in teaching-learning  a3rd ed., Reprint  aNoida, UPbVikas Pub. Housec2022  axii, 504 p.cill.b22 cm.bPB  bc_  aEducation  aEducational technology  f_  a_  bcdefg_  a225608  c310316d310316  00104070aPUbPUd2022-02-18g360.00l0o371.33 AGGp225608yBK