Kavita, H. S., V. Krishnamurthy, M. N. Chandra Prabha, and M. Roshan. “Waste Vegetable Oil: A Boon for Biodiesel Production”. Kathmandu University Journal of Science, Engineering and Technology, vol. 11, no. 1, Aug. 2015, doi:10.3126/kuset.v11i1.63645.