Estudio preparatorio sobre el uso de comunicacion mediante satelite para education y desarollo nacional en America del Sur: America del Sur - (mission) Agosto-Septiembre de 1969
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Main Authors: | , , |
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Format: | programme and meeting document biblioteca |
Language: | spa |
Subjects: | Communication satellites, Educational radio, Educational television, Space communication, Economic and social development, |
Online Access: | https://unesdoc.unesco.org/ark:/48223/pf0000000001_spa |
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