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Cohen, Robin, 1944- (1979) Albert Nzula : the road from Rouxville to Russia. In: Bozzoli, Belinda, (ed.) Labour, townships, and protest : studies in the social history of the Witwatersrand. Johannesburg: Ravan Press in association with the Institute of African Studies, University of the Witwatersrand, pp. 325-340. ISBN 9780869750896

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Henderson , J. W. (Jeffrey William), 1947- and Cohen, Robin, 1944-. (1979) Capital and the work ethic. Monthly Review , Vol.31 (No.6). pp. 11-26. ISSN 0027-0520