Syafiq Rizqullah, M. F., L. Tristofa, and D. F. . Ramadhanti. “Disaster Diplomacy of South Korea Toward North Korea As Efforts to Create Peace in the Korean Peninsula (2017 – 2020)”. Nation State: Journal of International Studies, vol. 4, no. 1, June 2021, pp. 140 -52, doi:10.24076/nsjis.v4i1.359.