Berg, Elliot J. Trade unions and wage levels : the Nigerian case / Elliot J. Berg - Ann Arbor : Center for Research on Economic Development (CRED) , 1969 - 19p. : ill. ; 30 cm. - Discussion paper No. 5 . Includes bibliographical references. Subjects--Topical Terms: Labor unions--Political activity--NigeriaLabor unions--Political activityWages--Nigeria Gov. Doc. Class. No.: US Mic. U CRED Dp-5