Source: https://www.researchgate.net/profile/Hussain-Alsaffar/publication/343689499_Marketing_and_Services_Management_Nike's_Marketing_Mix_and_PESTEL_analysis_in_China/links/5f39f5c7299bf13404cb1e5e/Marketing-and-Services-Management-Nikes-Marketing-Mix-and-PESTEL-analysis-in-China.pdf