Bostani, M. K., M. R. Shojaifar, J. Riki, A. Shahbakhsh, and S. Hashemzehi. “Assessment of Social Capital in Terms of Participation, Knowledge, Trust, and Social Cohesion: Zahedan Case Study”. Journal of History Culture and Art Research, vol. 6, no. 1, Feb. 2017, pp. 720-36, doi:10.7596/taksad.v6i1.773.