Ismail, A. ., L. . Anisah, and E. . Suarti. “Postponement of Fulfillment of Achievements in Business Contracts During the Covid-19 Pandemic As a Basis for Force Majeure”. INFLUENCE: INTERNATIONAL JOURNAL OF SCIENCE REVIEW, vol. 4, no. 3, Dec. 2022, pp. 136-43, http://influence-journal.com/index.php/influence/article/view/93.