Pembatalan perjanjian oleh pihak ketiga karena unsur perbuatan melawan hukum (Studi kasus putusan mahkamah agung nomor 31 K/PDT/2017) = The cancellation of the agreement by third parties because of the items in tort law (Case study supreme court verdict number 31 K/PDT/2017)

Tinjauan yuridis pembatalan perjanjian sepihak sebagai suatu perbuatan melawan hukum = Legal aspest in unilateral cancellation agreement on an unlawfull act

Batalnya akta jual beli karena adanya perbuatan melawan hukum studi putusan mahkamah agung nomor 1006 k pdt 2013 = The cancellation of sale deed due to the existence of an unlawful act study supreme court verdict number 1006 k pdt 2013

Pembatalan akta perjanjian pinjam meminjam dan akta kuasa menjual karena cacat hukum: studi Putusan Mahkamah Agung nomor 2828 K/Pdt/2017 = Cancellation of the loan deed agreement and the deed of attorney to sell due to defects: study of the Supreme Court Ruling number 2828 K/Pdt/2017

Perubahan regulasi sebagai keadaan memaksa terhadap perjanjian: Studi kasus pemutusan perjanjian karena perubahan regulasi (Putusan No.04/PDT.G/2004/PN.BTG) = The change of regulation as force majeure towards contracts: Case study of the annulment of contract due to the change of regulation (Court order (Putusan No.04/PDT.G/2004/PN.BTG)