na INLIS000000000029424 20231202150243 231202||||||||| | ||| |||| || | 978-979-756-505-3 010-1223029424 id 621.84 621.84 Eko s Eko Polosoro Sistem digital Ed.1,cet.1 Yogyakarta Graha Ilmu 2009 viii, 283 hlm. : ilus. ; 23 cm. R24.27 - R24-0508 Elektronika Digital