Onaifo, Joshua Osaretin, Godfrey Osatohamwan Otabor, Gregory Esosa Onaiwu, Philip idemudia Edogun, and Ikhazuagbe Hilary Ifijen. 2025. “Polyurethane Foam: Production Processes and Advanced Material Characterization ”. Tropical Journal of Chemistry 1 (1): 31 – 36. https://doi.org/10.71148/tjoc/v1i1.5.