ABAM SYAHPUTRA MANURUNG. DAMPAK PERKEBUNAN KELAPA SAWIT TERHADAP SURPLUS PENDAPATAN MASYARAKAT (STUDY KASUS KEC.BANDAR PASIR MANDOGE, KAB. ASAHAN) . JITA (Journal of Information Technology and Accounting), v. 4, n. 2, p. 63-69, 4 Dec. 2021.