Sengketa kepemilikan hak atas tanah antara pemenang lelang dengan pemegang sertipikat hak guna bangunan asal konversi hak barat (analisis kasus putusan mahkamah agung nomor : 3874K/PDT/2001) = Dispute on the ownership of the title of land between a winning bidder of auction and the holder of building rights title derived from the convertion of colonial title of land case analysis of verdict no 3874k pdt 2001 (Fakultas Hukum Universitas Indonesia, 2015)