“Influence of Melamine Formaldehyde Content on the Mechanical and Flame-Retardant Properties of Polyester Resin Systems”. Annual Methodological Archive Research Review 4, no. 2 (February 28, 2026): 481–487. Accessed October 17, 2026. https://www.amresearchjournal.com/index.php/Journal/article/view/2244.