1. http://www.textileworld.com/Articles/2012/April/The_Fiber_Year_To_Release_2012_Textiles_And_Nonwovens_Survey.html , Accessed 2013/2/20.
2. The Fiber Year 2012, World Survey on Textiles Nonwovens. Issue 12; May 2012, www.thefiberyear.com/pdf/zzTfy_Toc_2012.pdf, Accessed 2013/2/20.
3. World Cotton Production to Decline in 2012/13, http://www.fibre2fashion.com/news/textiles-association-organizationnews/newsdetails.aspx?news_id=111136. Accessed 2013/2/20.
4. M. T. Halimi, B. Azzouz, M. B. Hassen, and F. Sakli, J. Eng Fiber. Fab., 4, 36 (2009).
5. S. Altun, Fibers Text. East. Eur., 20, 416 (2012).