na INLIS000000000019827 20200728072933 0010-0620000010 ta 200728 i 0 ind 979-20-3269-x 004 004 RIC t Richardus Eko Indrajit Teknik searching efektif di internet : buku pintar internet / Richardus Eko Indrajit Ed. 1, Cet. 1 Jakarta : Elex Media Komputindo, 2002 xvi, 119 hlm. : ilus. ; 18 cm Internet 117/DKP/2020