Ahmed Lira, M., and M. Idris Atadash. “EFFECT OF TEMPERATURE VARIATION ON THE PRODUCTION OF BIODIESEL USING NEEM OIL”. International Journal of Research -GRANTHAALAYAH, vol. 6, no. 9, Sept. 2018, pp. 442-50, doi:10.29121/granthaalayah.v6.i9.2018.1267.