Mandal, Biswajit and Chaudhuri, Saswati (2011): Informal Wage, Informal Price and Extortion under Migration and Tariff Reform. Unpublished.
Mandal, Biswajit and Chaudhuri, Saswati (2011): Informal Wage, Informal Price and Extortion under Migration and Tariff Reform. Published in: Modern Economy , Vol. 1, No. 2 (February 2011): pp. 38-43.