Gaol, Buntora Wanly Lumban and Hidayat, Lukman and Sidebang, Bosman (2017) ANALISIS ENERGI PADA PROSES BUDIDAYA KELAPA SAWIT STUDI KASUS PT PERKEBUNAN NUSANTARA IV ADOLINA SUMATERA UTARA. Undergraduated thesis, Universitas Bengkulu.