Kelleci, Orhan, and Süheyla Esin Köksal. “Foamed Phenol Formaldehyde (PF) With Naturel Foaming Agent and Characterization Adhesive Properties”. International Conference on Pioneer and Innovative Studies 1 (May 16, 2023): 412–417. Accessed November 23, 2024. https://as-proceeding.com/index.php/icpis/article/view/865.