Dutta, Trisha, et al. “Musa Champa Fruit Peel Ash: A Renewable And Highly Effective Heterogeneous Base Catalyst For Biodiesel Production From Linum Usitatissimum (Linn.) (Flaxseed) Oil As A Source”. Metallurgical and Materials Engineering, May 2025, pp. 376-87, doi:10.63278/mme.vi.1591.