1. J.G. Cook, “Handbook of Textile fibers: Manmade fibers”, Merrow Publishing Co. Ltd, Durham, England (1993).
2. US Synthetic fiber production fiber Organon vol. 72, No. 2 (February 2001).
3. https://www.ihs.com/products/polyolefin-fibers-chemical-economics-handbook.html, accessed on 5 October 2016.
4. EATP, http://www.eatp.org/news/ accessed 5 October 2016.