@book{198179,
	author = {ISKANDAR, Rudi and Rina K. Sulistiani},
	title = {Geografi : Sekolah Menengah Pertama 1a Kelas 1 Cawu 1 Kurikulum 1994},
	publisher = {Aries Lima},
	year = {1994},
	address = {Jakarta}
}