Nousheen Mustafa, Muhammad Zubair, Noor Uddin, Saqib Ali, Ali Haider and Amin Badshah 2023. Catalytic Conversion of Castor Oil into Biodiesel by Tri-organotin(IV) Catalysts: Chromatographic and Spectroscopic Characterization with Theoretical Support. Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences. 60, 2 (Jun. 2023), 225–232. DOI:https://doi.org/10.53560/PPASB(60-2)816.