Khan SM, Gull N, Akram MY, Haider HA, Akram MY, Imran M, Butt MTZ, Jamil T. A Study on Synthesis and Testing of Polyols Using Soybean Oil and Castor Oil. ASEAN J. Chem. Eng. [Internet]. 2013Dec.31 [cited 2024Jul.17];13(2):27-8. Available from: https://journal.ugm.ac.id/v3/AJChE/article/view/8154