Bhavin Pankhaniya, Prof. R.N. Desai, and Prof. B.H.Shah. “Synthesis of Polyurethane Solution (Castor Oil Based Polyol for Polyurethane)”. International Journal of Advance Research in Engineering, Science & Technology 2, no. 5 (May 25, 2015): 316–320. Accessed December 15, 2025. https://ijarest.org/index.php/ijarest/article/view/173.