[1]
“Production of Ethyl Levulinate (an additive to biodiesel) using Paper Waste”, Int. J. Curr. Eng. Technol., vol. 3, no. 2, pp. 672–676, Jun. 2013, Accessed: Apr. 10, 2026. [Online]. Available: https://ijcet.evegenis.org/index.php/ijcet/article/view/319