na YOGYA000000000039820 20150427130031.0 0010-081400000039538 R 621.3849 Rad The Radio Amateurs handbook : the standard manual of amateur radio communication Jakarta Indira 1977 664 hlm. : ilus. ; 24 cm. Indeks Bibliografi : hlm. 380 Radio Amatir YOPDYOG 17474-A