Thomas, LisaPritchard, GaryBriggs, Pam2020-05-242020-05-242019978-1-4503-7162-9https://dl.eusset.eu/handle/20.500.12015/3368enPsychological ContractDigitalVolunteerDigital Design Considerations for Volunteer Recruitment: Making the Implicit Promises of Volunteering More ExplicitText/Conference Paper10.1145/3328320.3328368