| References |
Anheier, H.K., Salomon, L.M., Volunteering in cross-national perspective: Initial comparisons (2001) Civil Society: Working Paper, (10), pp. 2-25; Brudney, J., Williamson, A., Making government volunteering policies more effective (2000) Public Management Review, 2 (1), pp. 85-104; Gil-Lacruz, A., Marcuello, C., (2012) Voluntary Work in Europe: Comparative Analysis Among Countries and Welfare Systems, , Springer Science and Business Media B. V; Hackl, F., Hallo, M., Pruckner, G., (2009) Volunteering and the State. Discussion Paper, , Germany; Rotolo, T., Wilson, J., State-level differences in volunteerism in the United States: Research based on demographic, institutional, and cultural macrolevel theories (2012) Nonprofit and Voluntary Sector Quarterly, 41 (3), pp. 452-473; Stirling, C., Kilpatrick, S., Orpin, P., A psychological contract perspective to the link between non-profit organizations' management practices and volunteer sustainability (2011) Human Resource Development International, pp. 321-336; Salomon, L.M., Sokolowski, S.W., Haddock, M.A., Measuring the economic value of volunteer work globally: Concepts. Estimates and a roadmap to the future (2011) Annals of Public and Cooperative Economics, 82 (3), pp. 217-252. , USA; Wellens, L., Jegers, M., Effective Governance in nonprofit organizations: A literature based multiple stakeholder approach (2013) European Management Journal, 32 (2), pp. 223-243 |