Keabsahan Akta Perjanjian Perkawinan Dibawah Tangan yang Disahkan oleh Notaris Terhadap Pihak Ketiga dan Harta Perkawinan dalam Perkawinan Campuran (Studi Putusan Pengadilan Tinggi DKI. Jakarta Nomor 477/PDT/2019/PT.DKI.) = The Legal Validity of A Prenuptial Agreement Under-Hand Which was Ratified by A Notary to a Third Party and Marital Asset in Intermarriage based on DKI Jakarta High Court Judgement Case Number 477/PDT/2019/PT.DKI.