I. D. Manu, C. O. . Folayan, . J. . Micheal, and M. U. Kaisan, “Engine Performance Test Evaluation of Biodiesel Blends from Castor Seed Oil at Varying Mixture Ratios and Engine Speed”, Nig Jour of Sci & Engr Infra, vol. 1, no. 1, Oct. 2023.