PRATIWI, Lidya; SYAFWAN, Mahdhivan; HUSNA, Radhiatul. METODE BENTUK NORMAL PADA PENYELESAIAN PERSAMAAN DUFFING. Jurnal Matematika UNAND, [S. l.], v. 5, n. 3, p. 47–55, 2016. DOI: 10.25077/jmu.5.3.47-55.2016. Disponível em: https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/189. Acesso em: 4 nov. 2026.