https://k12.instructure.com/eportfolios/293113
https://www.crunchbase.com/organization/arthurshelby
https://www.accountingweb.co.uk/profile/arthurshelby00
https://coub.com/arthurshelby
https://list.ly/arthurshelby/lists
https://speakerdeck.com/arthurshelby00
https://dzone.