SYAICHURROZI, Iqbal. The Effect of Ratio of Formaldehyde/Urea (F/U) using Catalyst of NaOH and NH4OH against Production of Urea-Formaldehyde Resin in Laboratory-Scale. Eksergi, [S. l.], v. 13, n. 1, p. 21–28, 2016. DOI: 10.31315/e.v13i1.1610. Disponível em: https://jurnal.upnyk.ac.id/index.php/eksergi/article/view/1610. Acesso em: 5 dec. 2025.