Purba, Jeremy Emmanuel. 2021. “Ratio Decidendi, Agreement, Againts The Decision of MA No. 601K/PDT/2015 in The Case of Agreements that do not use Indonesian”. Jurnal Penelitian Hukum De Jure 21 (4): 517-24. https://doi.org/10.30641/dejure.2021.V21.517-524.