na INLIS000000000010452 20130515222055 ind 0010-051300000010452 ind 537.2 537.2 Rayer, Petunjuk Radio Amatir/ penerjemah, Suryaman, Cetakan : 1 Jakarta Elex Media Komputindo 1985 vi, 164 hlm. : ilus. ;20 cm. Radio