@thesis{thesis,
		author={RATNA DWI  NUGRAHENI and Supiyati  S.SiT},
		title ={TINGKAT PENGETAHUAN IBU HAMIL TENTANG TANDA BAHAYA KEHAMILAN DI BPS ENDANG PURWANINGSIH PLERET BANTUL YOGYAKARTA},
		year={2011},
		url={http://elibrary.almaata.ac.id/272/},
		abstract={}
		}