Ingkar Janji untuk Melaksanakan Perkawinan: Wanprestasi dan Perbuatan melawan Hukum (Studi Putusan-Putusan di Indonesia) = A Breach of Promise to Marry: A Breach of Contract and The Law of Tort

Akibat Wanprestasi Terhadap Objek Sewa Guna Usaha (Leasing) (Studi Putusan Putusan Pengadilan) = Consequences of Default on The Object of Leasing (Study of Court Decisions)

Perlindungan terhadap konsumen dan penerapan asas kebebasan berkontrak dalam perjanjian baku suatu perjanjian asuransi : studi kasus putusan No. 434/Pdt.G/2010/PN.Jkt.Sel = Consumer protection and the application of the freedom of contract within a standard contract of an insurance agreement case study of verdict no 434 pdt g 2010 PN Jkt Sel

Akibat hukum pembayaran oleh pihak ketiga dalam kasus wanprestasi perjanjian pemborongan (aannmening van werk): studi kasus putusan Mahkamah Agung nomor 871/k/pdt/2014 = Legal consequences for the payment made by third party in the breach of chartering agreement (aanneming van werk): case study of supreme court decision no 871 k pdt 2014

Perlindungan Hukum Terhadap Para Pihak Dalam Kasus Hilangnya Objek Leasing (Studi Kasus Putusan No. 32/Pdt.G/2019/PN. Btl) = Legal Protection of Parties in Cases of Loss of Leasing Object (Case Study of Decision No. 32/Pdt.G/2019/PN.Btl)