na INLIS000000000001182 20140109112743 180129||||||||| | ||| |||| || | 978-979-27-1943-7 0010-011400000001182 id 005.7 005.7 ZAK b Zaki, Ali Berkomunikasi Murah Via Internet Cet.1 Jakarta PT. Elex Media Komputindo 2008 x, 122 hal : ilus ; 23 cm KOMPUTER