Kapil Dev Sharma, Amit Kr. Sharma, Fahad Khan, Gaurav Mittal, Mehul Sharma, Prince Dubey, Sandeep Kumar Singh, Sumit Verma, Tushant Chaudhary (2020) “How to modify an existing petrol 4stroke scooter into a CNG powered scooter, A critical analysis”, International Journal of Advanced Science and Technology, 29(6s), pp. 2922 - 2926. Available at: http://sersc.org/journals/index.php/IJAST/article/view/16438 (Accessed: 18March2026).