na JAKPU-06100000000134 20100615102718.0 ind 010-061000000000130 658. BAD d BADRI, Sofwan Dasar-dasar Network Planing / Sofwan Badri Cet. 1 Jakarta Bina aksara 1988 88 hlm 21 cm MANAJEMEN UMUM Perpumda DKI 02501/88 02502/88