Mr. Sagar S. Galgat, Mr. Sumit S. Kalmegh, Mr. Sumit S. Jamkar, and Dr. Shrikant S. Dandge. “THE FUTURE CONTRIBUTION OF THE INTERNAL COMBUSTION ENGINE IN NATIONAL GDP”. International Engineering Journal For Research & Development, vol. 6, no. NCTSRD, Dec. 2021, p. 7, doi:10.17605/OSF.IO/4JGMH.