1. [1] Study Smarter. (2023, Nisan 13). Study Smarter. Web Sitesi: https://www.studysmarter.co.uk/explanations/chemistry/physical-chemistry/amorphous-polymer/
2. [2] Maddah, H. A. (2016). Polypropylene as a promising plastic: A review. Am. J. Polym. Sci, 6(1), 1-11.
3. [3] Brightworks Engineering. (2023, Nisan 13). Brightworks Engineering. Web Sitesi: https://brightworksengineering.com/upload/4/teknik-bulten-ocak-2017.pdf
[4] Mallard Creek Polymers. (2023, Nisan 13). Mallard Creek Polymers. Web Sitesi: https://www.mcpolymers.com/library/amorphous-vs-crystalline-polymers
4. [5] Pediaa. (2023, Nisan 13). Pediaa Web Sitesi: https://pediaa.com/difference-between-amorphous-and-crystalline-polymers/
5. [6] Goodship, V. (2007). Plastic recycling. Science progress, 90(4), 245-268.