4Bhalla, Sheila. "The Restructuring of the Unorganised Sector in India."Report on a Project Funded under the Planning Commission Scheme of Socio-Economic Research, Institute for Human Development, New Delhi (2003).
10Raychaudhuri, Ajitava, and Tuhin Das. West Bengal economy: Some contemporary issues.Jadavpur, India: Allied Publishers in colaboration with DSA Centre, Department of Economi, 2005.
77Desmet, Klaus, Ejaz Ghani, Stephen O'Connell, and Esteban Rossi-Hansberg. "The Spatial Development of India."World Bank Policy Research Working Paper (2012).