Tinjauan yuridis atas persetujuan suami atau istri dalam pembebanan jaminan hak tanggungan terhadap harta bersama : studi kasus Putusan Mahkamah Agung Republik Indonesia Nomor 2117 K/Pdt/2009, 342 PK/Pdt/2007, 3067 K/Pdt/2002, 3005 K/Pdt/1998, dan 1851 K/Pdt/1996, serta perbandingannya dengan Belanda = Juridical review of spouse consent to encumber collateral mortgage on marital community of property : case study: Decisions of the Supreme Court of the Republic of Indonesia No. 2117 K/Pdt/2009, 342 PK/Pdt/2007, 3067 K/Pdt/2002, 3005 K/Pdt/1998, and 1851 K/Pdt/1996, and its comparison to Netherlands