Tobing, M. M. “A Model of Delivering Messages Related to COVID-19 to the Collective Society of Kampung Pulo in Ciliwung Riverside East Jakarta”. SOSHUM : Jurnal Sosial Dan Humaniora, vol. 12, no. 2, July 2022, pp. 132-41, doi:10.31940/soshum.v12i2.142-153.