na INLIS000000000012150 20231202142625 231202||||||||| | ||| |||| || | 010-1223012150 id 621.3841 621.384 1 YUR b Yury, Francis D Bikin sendiri radio walkytalky handyralky cet.5 Demak Media Ilmu 1997 80 hlm. : ilus. ; 23 cm. R24.21 - R24-0379 Radio Walkytalky