Zulkarnaen, N. I., A. . Triayudi, and E. T. Esti Handayani. “Selection of Virtual Meeting Platform Using AHP-Topsis Method (Case Study Indonesian Ministry of Defense Employees)”. Jurnal Mantik, vol. 4, no. 3, Nov. 2020, pp. 2204-13, doi:10.35335/mantik.Vol4.2020.1104.pp2204-2213.