1. A methodological approach to assess and compare the sustainability level of agricultural plant production systems
2. Kooistra KJ, Pyburn R, Termorshuizen AJ, 2006. The sustainability of cotton. Consequences for man and environment, Science Shop Wageningen University & Research Centre.Report 223. ISBN: 90-6754-90-8585-000-2. [accessed 2014 Jul 3]. available at:https://www.wageningenur.nl/upload_mm/1/3/4/6cdf8347-b399-4365-8459-e24aeaba6922_223.pdf
3. Lorenzetti LA, 2013. “The sub-Saharan Africa cotton sector. Selected features”, Unpublished PhD thesis, University of Trento, [accessed 2014 Jun 13]. available at: http://eprints phd.biblio.unitn.it/1139/1/The sub Saharan Africa Cotton Sector. Selected Features.by L.A. Lorenzetti. pdf