na INLIS000000000012340 20231202142647 231202||||||||| | ||| |||| || | 010-1223012340 id 621.361 621.361 WAS t Wasito S Teknik penguat frekwensi rendah Cet.8 Jakarta Karya Utama 1989 194 hlm. : ilus. ; 24 cm. R24.14 - R24-0218 Frekuensi Radio