@book{212970,
	author = {BUDHI, Wono Setya  and Iwan Suseno & Muji Darmanto},
	title = {Matematika Jilid 2 untuk SMP Kelas VIII Semester 1},
	publisher = {Erlangga},
	year = {2007},
	address = {Jakarta},
	edition = {1}
}