ZUBAIRU, A.; GIMBA, A. S. B.; ABDULLAHI, A. M. Production and Characterization of Biodiesel from Hybrid Feedstock of Jatropha curcas and Thevetia peruviana Seeds Oil. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT, v. 17, n. 4, p. 469-480, 1 Dec. 2021.