An educator's guide to communication satellite technology

ग्रंथसूची विवरण
मुख्य लेखक:	Polcyn, Kenneth A.
स्वरूप:	पुस्तक
भाषा:	English
प्रकाशित:	Washington Information Center on Instructional Technology 1973.
विषय:	Television in education. Artificial satellites in telecommunications.