na INLIS000000000001981 20231202140506 231202||||||||| | ||| |||| || | 010-1223001981 id 004 004 UPD k Updegraff, Robert Komputer = computers Cet.1 Pustaka Sinar Harapan 1986 23 hlm. : ilus. ; 20 cm. R01.06 - R01-0184 Komputer