@book{211691,
	author = {KARNOTO, Bambang K. and Wicahyaning Putri & Retno Widjajanti},
	title = {Fokus Biologi untuk SMP dan Madrasah Tsanawiyah},
	publisher = {Erlangga},
	year = {2005},
	address = {Jakarta},
	edition = {1}
}