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Article

1. Onyuka, A., Bates, M. P., Covington, A. D. and Antunes, A. P. M. (2014) Microbial keratinase and its potential application in the management of tannery hair waste. Journal of the American Leather Chemists Association. 109, pp. 425-430. 0002-9726.
2. Onyuka, A., Bates, M. P., Attenburrow, G. E., Covington, A. D. and Antunes, A. P. M. (2012) Parameters for composting tannery hair waste. Journal of the American Leather Chemists Association. 107(5), pp. 159-166. 0002-9726.
3. Onyuka, A., Bates, M. P., Attenburrow, G. E., Covington, A. D. and Antunes, A. P. M. (2012) Parameters for composting tannery hair waste. Journal of the American Leather Chemists Association. 107(5), pp. 159-166. 0002-9726.

Conference or Workshop Item

1. Onyuka, A., Bates, M. P., Attenburrow, G. E., Covington, A. D. and Antunes, A. P. M. (2009) Pilot-scale composting and biodegradability of bovine hair. Paper presented to: XXX Congress of the International Union of Leather Technologists and Chemists Societies (IULTCS), Beijing, China, 11-14 October 2009. Beijing, China: IULTCS. (Unpublished)
2. Onyuka, A., Bates, M. P., Covington, A. D. and Antunes, A. P. M. (2009) Sustainable management of tannery hair waste through composting. Invited Presentation presented to: 112th Society of Leather Technologists and Chemists (SLTC) Conference 2009, Redwood Hotel, Bristol, 26 September 2009. (Unpublished)
3. Onyuka, A., Antunes, A. P. M., Bates, M. P. and Covington, A. D. (2007) Sustainable management of tannery hair waste through composting. Paper presented to: Waste and Resource Management Network (WARMNET): Tackling waste 2007, Nottingham, 4-5 July 2007. (Unpublished)

Thesis

1. Onyuka, A. Sustainable management of tannery hair waste through composting. PhD thesis. University of Northampton.