权威例句
Values and volunteerismVolunteerism Research: A Review EssayVolunteerism in Adolescence: A Process PerspectiveVolunteerism and Mortality among the Community-dwelling ElderlyVoice and Equality: Civic Volunteerism in American PoliticsLong-Term Effects of Volunteerism During the Undergraduate YearsDispositional and Structural Determinants of VolunteerismConsiderations of community: The context and process of volunteerism.The Effects of Recognition and Group Need on Volunteerism: A Social Norm PerspectiveDispositional and Organizational Influences on Sustained Volunteerism: An Interactionist Perspective