Karbamid-formaldegid smolalarini olish mexanizmi. "Conference on Universal Science Research 2023", [S. l.], v. 1, n. 11, p. 69–73, 2023. Disponível em: https://www.universalpublishings.com/index.php/cusr/article/view/2589. Acesso em: 12 nov. 2026.