Juang, Nurhadi Ahmad, Maria Kaban, and Rosnidar Sembiring. “Legal Certainty Regarding the Rules for Qualifying Unlawful Acts and Defaults in the Framework of Civil Law Reform in Indonesia”. Research Horizon 5, no. 3 (June 30, 2025): 1019–1028. Accessed August 18, 2026. https://lifescifi.com/journal/index.php/RH/article/view/593.