“Urea’s Impact on Curing Dynamics, Resin Structure, and Properties of Urea-Formaldehyde Adhesives”, LJER, vol. 24, no. 2, pp. 9–24, Feb. 2024, Accessed: Feb. 02, 2026. [Online]. Available: https://journalspress.uk/index.php/LJER/article/view/675