na INLIS000000000004899 20150119095921.0 a ||| | 170609| ||| | xi, 92 hlm, ilus; 25 cm979-9246-10-5 0010-011500000002903 Edy Supriyadi Sistem pengamanan tenaga listrik 1 Yogyakarta Adicita karya nusa 1999 0545/b/2001