“Keabsahan Force Majeure Dalam Perjanjian Di Masa Era Pandemi Covid-19”. Jurnal Humaniora : Jurnal Ilmu Sosial, Ekonomi Dan Hukum, vol. 4, no. 2, Oct. 2020, pp. 256-63, https://doi.org/10.30601/humaniora.v4i2.1369.