Analisis yuridis hak kewarisan anak angkat terhadap pengangkatan anak yang dilakukan tanpa melalui penetapan pengadilan (studi kasus putusan nomor 27 K/PDT/2009 dan putusan nomor 2052 K/ PDT/2010 = juridicial analysis of inheritance rights of adopted child in case of adoption without decree of court case study court decision number 27 K/ PDT 2009 and court decision number 2052 K/ PDT/ 2010