Eivazy, H., and M. R. Malek. “Developing a Multilevel Distribuiting Crowdsourcing System for Aiding and Rescuing to Overcome Widespread Crises”. Eastern-European Journal of Enterprise Technologies, vol. 2, no. 3 (104), Apr. 2020, pp. 6-21, doi:10.15587/1729-4061.2020.201082.