Serrao, R. S., Mohamed Shamshuddin, S., & D’souza, J. (2019). Catalytic Synthesis of Levulinate Esters over Zirconia and its Modified Forms Coated on Honeycomb Monoliths: Green Synthesis. Asian Journal of Chemistry, 31(9), 1993–1999. https://doi.org/10.14233/ajchem.2019.22102