https://www.sars.gov.za/types-of-tax/corporate-income-tax/
https://www.oecd.org/ctp/consumption/1923256.pdf
https://www.mfa.gov.tr/e-commerce-and-taxation_-understanding-the-difficulties.tr.mfa
https://repository.law.umich.edu/cgi/viewcontent.cgi?article=3331&context=articles
https://www.ftc.gov/news-events/news/speeches/taxation-e-commerce
https://theecommmanager.com/tools/ecommerce-sales-tax-software/
https://startupstash.com/e-commerce-sales-tax-tools/