Deddy Effendy, Chicha Chairunnisa Chicha, and Cucu Yanti. 2023. “Application of Unidroit Hardsip Principles to Renegotiate International Contracts Due to COVID-19”. Hammurabi Code: Journal of Law and Human Rights 1 (1):6-10. https://journal.mediadigitalpublikasi.com/index.php/jlh/article/view/181.