Sen, Sukumar. Labour in an informal sector : A study deed rolling industry in Madhya Pradesh and Chattisgarh / By Sukumar Sen. - 1st Ed. - New Delhi : Segment books, 2012. - 245p. ; 00 cm. ISBN: 9789381513026 Subjects--Topical Terms: ECONOMICS. Dewey Class. No.: 330 / SEN