1. The early shortwave stations :
پدیدآورنده : Jerome S. Berg.
کتابخانه: Center and Library of Islamic Studies in European Languages (Qom)
موضوع : International broadcasting-- History.,Shortwave radio stations-- History.,BUSINESS & ECONOMICS-- Industries-- Media & Communications.,International broadcasting.,Shortwave radio stations.,TECHNOLOGY & ENGINEERING-- Telecommunications.
رده :
TK6557
.
B47
2013eb