Kajian terhadap pembatalan hak tanggungan akibat dari batalnya sertipikat : analisis Putusan Perkara Makamah Agung Putusan no. 1980/K/Pdt/ 2010 = Assessment against mortgage cancellation due the revocation of the certificate case : decision analysis Supreme Court Decision no. 1980 K/Pdt/2010 / Gerardus Cahyo Nugroho - Gerardus Cahyo Nugroho, author (2014)