na INLIS000000000009577 20231202142054 231202||||||||| | ||| |||| || | 010-1223009577 id 384.54 384.54 JUD p Judd, F. C. Pendidikan dasar radio amatir Bandung Pionir Jaya 1999 154 hlm. ; 18 cm. R17.11 - R17-0209 Radio Amatir