Kekuatan Hukum Akta Autentik Atas Akta Perjanjian Perkawinan yang Tidak Diakui Oleh Salah Satu Pihak Dalam Gugatan Hak Bersama (Studi Kasus Putusan Pengadilan Agama Sleman Nomor 679/Pdt.G/2019.PA.SMN) = The Legal Power of the Authentic Deed of the Marriage Agreement Deed that is Not Recognized by One of the Parties in the Collective Rights Lawsuit (Case Study of the Sleman Religious Court Decision Number 679/Pdt.G/2019.PA.Smn)