Analisis tumpang tindih penguasaan bidang tanah berdasarkan Surat Pernyataan Penguasaan Fisik Bidang Tanah (SPPFBT) dengan Sertifikat Hak Pengelolaan : studi Putusan Mahkamah Agung Nomor: 37/K/TUN/2018 = Analysis of overlapping land tenure rights based on The Letter of Land Physical Ownership with Rights to use Certificate : case study Supreme Court Verdict Number 37/K/TUN/2018