Kanagaraj, G., Tamilperuvalathan, S., Arokiyasamy, D. A., Arumugam, S. K. and Ramakrishnan, S. (2023) “Functional Group Analysis of Hybrid Polyurethane Foam Derived from Waste Cooking Oil”, International Journal of Civil, Environmental and Agricultural Engineering, 5(1), pp. 30-41. doi: 10.34256/ijceae2314.