1. Billig, S. H., Root, S., & Jesse, D. (2005). The relationship between the quality indicators of service-learning and student outcomes. In S. Root, J. Callahan, & S. H. Billig (Eds.), Improving service-learning practice: Research on models to enhance impact (pp. 97–115). Greenwich, Connecticut: Information Age Publishing.
2. Brock, K. L. (2001). Promoting voluntary action and civic society through the state. Isuma: Canadian Journal of Policy Research, 2(2), 53–61.
3. Cambell, E. D. (2000). Social capital and service-learning. Political Science and Politics, 23(3), 641–646.
4. Celio, C. I., Durlak, J., & Dymnicki, A. (2011). A meta-analysis of the impact of service-learning on students. Journal of Experiential Education, 34(2), 164–181.
5. Chan, S. C., Ngai, G., & Kwan, K. (2017). Mandatory service learning at university: Do less-inclined students learn from it? Active Learning in Higher Education, 1–14.
https://doi.org/10.1177/1469787417742019
.