@book{214593,
	author = {CHASANAH, Risdiyani    and Rohana Kusumawati},
	title = {Kunci Jawaban dan pembahasan Detik-detik Ujian Nasional Ilmu Pengetahuan Alam},
	publisher = {Intan Pariwara},
	year = {2012},
	address = {Klaten}
}