na INLIS000000000012560 20231202142713 231202||||||||| | ||| |||| || | 010-1223012560 id 621.3841 621.384 1 RUD p Rudatin, Taslim Pendidikan teknisi radio amatir Cet.1 Pekalongan Bahagia 1992 72 hlm. ; 21 cm. R24.21 - R24-0375 Radio Amatir