“Tetrahydrofuran-Based Recycling of furan–lignin Foams: Comparative Characterization of Regenerated and Virgin Foams”. Proceedings of the Nigerian Society of Physical Sciences 3 (June 1, 2026): 263. Accessed June 18, 2026. https://rans.nsps.org.ng/index.php/pnspsc/article/view/263.