Singer, H. W. 1910-2006. Rich and poor countries / Hans W. Singer and Javed A. Ansari. - 3rd ed. - London ; Boston : Allen & Unwin, 1982. - 270 p. ; 22 cm. - Studies in economics ; 12 . - Studies in economics (London, England) ; 12 . Includes bibliographical references and index. ISBN: 0043303218 (pbk.) LCCN: 81010903 Subjects--Topical Terms: Economic historyİktisat tarihi LC Class. No.: HC59.7 / .S467 1982 Dewey Class. No.: 337.09048 / SIN 1982