TY - BOOK AU - Sharma, Sita Ram AU - Vohra, A. L. TI - Theoretical perspectives in education. V.1 SN - 8126101369 (set) U1 - 370.1 PY - 1998/// CY - New Delhi PB - Anmol N1 - 2 vols. set ; Vol. 1: Introduction -- General Aspects of educational technology -- Automation and class room education -- From audio-visual to instructional technology -- American perspectives: informational technology and its impact on American education ER -