@book{198173,
	author = {CHANIAGO, Arifinal A. and A. Arifinal Chaniago},
	title = {IPS Ekonomi : untuk SLTP kelas 1 Cawu 1,2 dan 3},
	publisher = {Angkasa},
	year = {1994},
	address = {Bandung},
	edition = {1}
}