Permasalahan tumpang tindih pemberian izin usaha perkebunan pada perusahaan kelapa sawit di Indonesia : analisis kasus Putusan Mahkamah Agung nomor : 167/K/Tun/2008 tanggal 20 Agustus 2008 = The overlap licensing of plantation business for oil palm company in Indonesia : case study Putusan Mahkamah Agung nomor : 167/K/TUN/2008 - Sitepu, Rasmita Juliana, author (2013)