Smock David R Conflict and control in an African trade union A study of the Nigerian Coal Mines Union Smock David R - Stanford Hoover Institute Press, Univrsity of Stanford 1969 - x, 170p. cm. Standard No.: 134,547 Source: Textual Subjects--Topical Terms: ECONOMICS Dewey Class. No.: X8(F551):97W.654.N6, K9