Kekuatan pembuktian sertipikat tanah (SHM) sebagai dasar alat bukti kepemilikan hak atas tanah : tinjauan yuridis terhadap Putusan Peninjauan Kembali Mahkamah Agung nomor 438 PK/PDT/2011 = The land sertificate proving the strength as the basic proof of the ownership of a land : judicial review of the Supreme Court Decison Reconsideration number 438 PK/PDT/2011