Ashraf, S., Hussain, M., Mumtaz, M. W. and Shuaib, M. (2017) “Biodiesel Production by Alkali Catalyzed Transesterification of chicken and beef fats”, International Journal of Alternative Fuels and Energy, 1(1), pp. 14-20. Available at: https://journals.psmpublishers.org/index.php/ijafe/article/view/130 (Accessed: 19September2019).