HUBUNGAN FAKTOR RESIKO KARAKTERISTIK BIODEMOGRAFI DAN UPAYA PREVENTIF IBU DENGAN KEMATIAN BAYI DI KABUPATEN BANTUL TAHUN 2004. THE RELATIONSHIP OF THE RISK FACTOR OF BIODEMOGRAPHY CHARACTERISTIC AND MOTHER PREVENTIF EFFORT INFANT MORTALITY IN BANTUL REGENCY ON 2004 - PARYANTI, ENDANG (2005)