1. AmeriCorps. 2018. Volunteering in America. https://www.nationalservice.gov/serve/via AmeriCorps. 2018. Volunteering in America. https://www.nationalservice.gov/serve/via
2. AmeriCorps. 2019. State rankings by volunteer retention rate. https://www.nationalservice.gov/vcla/state-rankingsvolunteer-retention-rate AmeriCorps. 2019. State rankings by volunteer retention rate. https://www.nationalservice.gov/vcla/state-rankingsvolunteer-retention-rate
3. Creating a Sociotechnical API
4. Pamela Attree , Beverley French , Beth Milton , Susan Povall , Margaret Whitehead , and Jennie Popay . 2011. The experience of community engagement for individuals: a rapid review of evidence. Health & social care in the community 19, 3 ( 2011 ), 250--260. Pamela Attree, Beverley French, Beth Milton, Susan Povall, Margaret Whitehead, and Jennie Popay. 2011. The experience of community engagement for individuals: a rapid review of evidence. Health & social care in the community 19, 3 (2011), 250--260.
5. Understanding sustained community engagement