ohadi, fereydoun, mohammadi, mehrnoosh, Tarokh, Mohammad Jafar. “Evaluation of the Efficacy of the Combined Viral Marketing Method with the Network Clustering Method and Comparing the Results.” Roshd -e- Fanavari, vol. 15, no. 58, 2019, pp. 65-72. 10.7508/jstpi.2019.02.008