Peralihan hak atas tanah karena jual beli di bawah tangan dan perkara proses penerbitan sertipikat hak milik (studi kasus putusan nomor 3005K/PDT/1995 dan putusan nomor 23/K/TUN/2005) = The transfer rights of land for buying and selling underhanded and the process of issuing certificate case title case number 3005K/PDT/1995 and case number 23/K/TUN/2005