Dampak hukum terhadap perjanjian kawin yang tidak disahkan dan akibat hukumnya terhadap pihak ketiga studi kasus putusan mahkamah agung nomor 527 k pdt 2014 = Legal effect to the treaty were not ratified mating and its legal consequences for third parties study case putusan mahkamah agung number 527 k pdt 2014