Anwar Hossain, Md., and Lee Hwei Voon. 2021. “Silica-Supported Fe(II), Co(II) and Ni(II) Complexes As Efficient Catalysts to Esterification of Levulinic Acid With Polyol”. Asian Journal of Chemistry 33 (8):1842-48. https://doi.org/10.14233/ajchem.2021.23188.