Dutta, Amita . International Migration, Trade, and Real Income: A Case Study of Ceylon, 1920-38 / Textual Documents Amita Dutta. - 1st ed. / - Calcutta : The World Press Pvt.Ltd. , 1973. - viii,171p. : ill ; 22cm . Index Subjects--Index Terms: Migration-International Trade G-Political Science Dewey Class. No.: 325.12 / D 954 In