BHAVIN PANKHANIYA; PROF. R.N. DESAI; PROF. B.H.SHAH. Synthesis of Polyurethane Solution (Castor Oil Based Polyol for Polyurethane). International Journal of Advance Research in Engineering, Science & Technology, [S. l.], v. 2, n. 5, p. 316–320, 2015. Disponível em: https://ijarest.org/index.php/ijarest/article/view/173. Acesso em: 15 dec. 2025.