Implementasi lembaga rechsverwerking dalam sengketa tanah yang sudah bersertipikat (tinjauan yuridis putusan No 766/PDT.G/2008/PN.JKT.SEL) = Implementation of rechsverwerking institutions of the land disputes that have been certified judicially review the decision the number 766/PDT.G/2008/PN.JKT.SEL)