@thesis{thesis,
		author={Sumarni  DW and Yeni  Pratiwi},
		title ={GAMBARAN UMUR PREMENSTRUASI SINDROM PADA REMAJA PUTRI DI MADRASAH TSANAWIYAH (MTS) PUNDONG BANTUL YOGYAKARTA},
		year={2013},
		url={http://elibrary.almaata.ac.id/506/},
		abstract={}
		}