12Desmet, Klaus, Ejaz Ghani, Stephen O'Connell, and Esteban Rossi-Hansberg. "The Spatial Development of India."(2012) World Bank Policy Research Working Paper.
51Raychaudhuri, Ajitava, and Tuhin Das. West Bengal economy: Some contemporary issues.Jadavpur, India: Allied Publishers in colaboration with DSA Centre, Department of Economi, 2005.