1.	Korhonen J, Nuur C, Feldmann A, Birkie S E. (2018). Circular Economy as an essentially contested concept. Journal of Cleaner Production,175. 
2.	Ekins, P., Hughes, N., et al. (2017). Resource Efficiency: Potential and Economic Implications. A report of the International Resource Panel. UNEP
3.	Ellen MacArthur Foundation. (2016). Circular Economy in India: Rethinking growth for long-term prosperity. 
4.	FICCI-ACCENTURE (2018). Accelerating India’s Circular Economy Shift: A Half-Trillion USD Opportunity: Future-proofing growth in a resource-scarce world. FICCI Circular Economy Symposium 2018.
5.	UN Environment Annual Report 2017.
6.	Krausmann, F. et al. (2019). Measuring Progress towards a Circular Economy: A Monitoring Framework for Economy‐wide Material Loop Closing in the EU28. Journal of Industrial Ecology, Volume 3, Issue 1.
7.	Moraga, G. et. Al. (2019). Circular economy indicators: What do they measure? ELSEVIER. Resources, Conservation & Recycling. 452–461. 
8.	Barro, R. J. (1998). Determinants of Economic Growth: A Cross-Country Empirical Study. (1st ed.).  MIT Press Books, The MIT Press.
9.	Dewan, E. & Hussein, S. (2001). Determinants of Economic Growth (Panel Data Approach). Working Paper 01/04, Economics Department Reserve Bank of Fiji.
10.	Benito, E.M., (2009). Determinants of Economic Growth: A Bayesian Panel Data Approach. Policy Research Working Paper 4830, The World Bank Development Research Group.
11.	Chirwa, T.G., & Odhiambo, N.M, (2016). Macroeconomic Determinants of Economic Growth: A Review of International Literature. South East European Journal of Economics and Business, Volume 11 (Issue 2).
12.	United Nations Environment Programme; International Resource Panel. (2016). Global Material Flows and Resource Productivity. Assessment Report for The UNEP International Resource Panel.