@book{224368,
	author = {PERMANA, Irvan and Hadyan Sugalayudhana },
	title = {Memahami Kimia SMA/MA untuk Kelas X, Semester 1 dan 2},
	publisher = {Pusat Perbukuan, Departemen Pendidikan Nasional },
	year = {2009},
	address = {Jakarta}
}