@book{224378,
	author = {WIDAYATI, Sri and Eti Arinastiti, Arif Kurniawan dan Yunita Retnosari },
	title = {Biologi SMA/MA kelas X},
	publisher = {Pusat Pembukuan , Departemen Pendidikan Nasional },
	year = {2009},
	address = {Jakarta}
}