Kekuatan pembuktian surat keterangan ganti rugi (SKGR) sebagai alas hak kepemilikan tanah : Analisis kasus putusan Pengadilan Negeri Pekanbaru Nomor 97-98/Pdt/2009/PN-PBR = The strength of sertificae of compensation [surat keterangan ganti rugi (skgr)] as the basis for land ownership right : An analysis on the case with regard to the verdict of dictrict court of Pekan Baru regarding sale and purchase based on number. 97-98/PDT/G/2009/PN.PBR