1. http://www.mwellp.com/news/2016/11/anatomy-of-a-sales-tax-vda-organizing-and-strategizing-a-multi-state-sales-tax-voluntary-compliance-project/
2. http://www.mwellp.com/news/2016/12/anatomy-of-a-sales-tax-vda-organizing-and-strategizing-a-multi-state-sales-tax-voluntary-compliance-project-part-2/
3. http://www.mwellp.com/news/2017/01/anatomy-of-a-sales-tax-vda-organizing-and-strategizing-a-multi-state-sales-tax-voluntary-compliance-project-part-3/