Iqbal, M. N. and Ashraf, A. (2017) “Recent Trends in Animal Fats and Oils to Biodiesel Research: Conversion Methods, Technical Challenges and Assessment of Economic and Environmental Impacts”, International Journal of Alternative Fuels and Energy, 1(1), pp. 21–22. Available at: https://psmjournals.org/index.php/ijafe/article/view/142 (Accessed: 15May2024).