1. 1. Zongyan, F. (2006). Application and Production of C9 Petroleum Resin [J]. Petrochemical Industry Technology, 1.
2. Petroleum Resins: An Overview;Zohuriaan-Mehr; Journal of Macromolecular Science Part C ,2000
3. 3. Mildenberg, R., Zander, M., & Collin, G. (2008). Hydrocarbon resins. John Wiley & Sons.
4. 4. Kurta, S. A. (2009). Khimiia i tekhnolohiia khlororhanichnykh spoluk.
5. Large-Scale Production of C9 Aromatic Hydrocarbon Resin from the Cracked-Petroleum-Derived C9 Fraction: Chemistry, Scalability, and Techno-economic Analysis;Rahmatpour;Organic Process Research & Development,2021