ANALISIS PERHITUNGAN BIAYA PRODUKSI KOPRA PUTIH MENGGUNAKAN METODE VARIABLE COSTING DAN PERHITUNGAN RIIL. JURNAL ANALISIS MANAJEMEN, [S. l.], v. 5, n. 1, p. 67–75, 2019. DOI: 10.32520/jam.v5i1.728. Disponível em: https://ejournal.unisi.ac.id/index.php/jam/article/view/728. Acesso em: 4 oct. 2026.