Prof. Rushi. B. Rawal, Vijay H Patel, and Prof. Hardik. N. Vora. 2016. “Effect of Cow Urine Fumigation on Performance and Emission Parameters of Single Cylinder CI Engine”. International Journal of Advance Research in Engineering, Science & Technology 3 (5):715-22. https://ijarest.org/index.php/ijarest/article/view/693.