Kepastian hukum bagi pemegang sertipikat hak milik atas tanah terhadap gugatan dari pihak lain (studi kasus Putusan PN Nomor 27/Pdt.G/2011/PN.Jkt.Sel) = the Rule of law for the holders of certificate of land ownership against third party lawsuit (by analyzing district court decision number 27Pdt.G/2011/PN.Jkt.Sel) - Putri Asih Fabiolah, author (Universitas Indonesia, 2012)