M. Hasan, R. Che Mohd Yusoff, N. Maarop, S. Mohd Sam, and N. Megat Mohd Zainuddin, “Exploring the Influential Factors of Knowledge Sharing in Virtual Communities in Disaster Events: A Systematic Review”, IJET, vol. 7, no. 3.20, pp. 811–816, Sep. 2018, doi: 10.14419/ijet.v7i3.20.27345.