“Technical Efficiency and Total Factor Productivity of Indian Industries – An Inter-State and Inter Industry Comparison Between Pre and Post Global Financial Crisis of 2008-09”. Singaporean Journal of Business Economics and Management 10, no. (4) (December 5, 2024): 69–77. Accessed June 24, 2026. https://www.singaporeanjbem.com/index.php/SJBEM/article/view/586.