Pemanfaatan Program Jaminan Persalinan Berdasarkan karakteristik Ibu di Wilayah Kerja Puskesmas Arut Selatan Kecamatan arut Selatan Kabupaten Kotawaringin Barat Tahun 2012 =Utilization Labor Assurance Program Based On Maternal Characteristic In Working Area Of Public Health Center South Arut, South Arut Sub-District, West Kotawaringin Regency 2012