na JATIM-08100000000164 20100806090628.0 ind 978-979-29-0140-5 0010-081000000000164 JIPDSUR [22] 004.678 004.678 FER c FERI Sulianta Cyberworld ethics,yang oerlu remaja dan orang tua ketahui/ Feri sulianta; editor Agnes heni triyuliana, Dhewiberta Hardjono yogyakarta: ANDI, 2007 86 hlm.: ilus.; 20 cm Masyarakat umum INTERNET JIPDSUR 335.743/BPK/P/09 335.742/BPK/P/09 335.741/BPK/P/09