P. . H Silaban, A. . Fila Sari Saragih, C. . Peranginangin, P. . Manalu, and C. . F.D. Silalahi, “THE IMPACT OF SOCIAL MEDIA NEWS COVID-19 ON THE DECREASE OF TOURISM ACTIVITIES IN MEDAN CITY IN THE SOCIAL ECONOMIC ASPECTS OF THE COMMUNITY”, IJSET, vol. 1, no. 6, pp. 297–304, May 2022.