The economics of new educational media vol. 3. Cost and effectiveness overview and synthesis Eicher, Jean-Claude creator (autor) Orivel, Francois (autor) Hawkridge, David (autor) Mariet, Francois (autor) McAnany, Emile (autor) text dictionary ^^^ 1982 monographic eng 150 p. XX Economía de la educación Tecnología educativa Ensayo Costo de la educación Medios de enseñanza 371.3078 UNEe v.3 (Educational methods and techniques ; no. 1) 923101997X Acervo ITESO - Biblioteca 050901 20250521000000.0 000492399