@book{222506,
	author = {BADRIKA, I Wayan  and Moch. Ridwan Muchlis & M. Syarifudin},
	title = {Sejarah untuk SMA Kelas XII Program Ilmu Alam},
	publisher = {Erlangga},
	year = {2006},
	address = {Jakarta},
	edition = {2}
}