Bajrang Lal, and Dr. Ajmer Singh. “Understanding the Tractor Market: An Exploratory Study in Haryana (India)”. Global Journal of Management and Business Research 16, no. E2 (January 15, 2016): 29–34. Accessed May 1, 2024. https://journalofbusiness.org/index.php/GJMBR/article/view/2048.