Cassirer, Henry R. Television Teaching Today - 1º ed. - Paris : Unesc, 1960 - 267 p. ; 21 cm. - Series of studies published by Unesco . Inv. 5039 faltan p.97 a 112. Standard No.: DAR000621 Subjects--Topical Terms: EducaciónAudiovisuales Universal Decimal Class. No.: 371.68