1. Plastic waste Management Swacha Bharat- http://164.100.228.143:8080/sbm/content/writereaddata/SBM%20Plastic%20Waste%20Book.pdf.
2. Everything You Need To Know About Polypropylene- https://www.creativemechanisms.com/blog/all-about-polypropylene-pp-plastic.
3. Recycling of Polymers: Methods, Characterization and Applications book by Raju Francis.
4. (a) Huiting Shent, R.J. Pugh, E. Forssberg, Resources, Conservation and Recycling, Volume 25, Issue 2, Pages 85-109 (1999).
5. (b) Singh N, H. David, Recycling of plastic solid waste: A state of art review and future application, Composites Part B 115, 409-422 (2017).