Kedudukan hukum perjanjian pengikatan jual beli tanah ditinjau dari aspek hukum perjanjian dan kepemilikan tanah (studi kasus terhadap putusan no.2338/K/PDT/2003; putusan No.229/PDT/G/2010/JKT.UT; dan putusan No.89/PK/TUN/2008) = The land sale and purchase binding agreement based on contract law and land ownership (Case study on decree number 2338/K/PDT/2003; decree number 229/PDT/G/2010/JKT.UT; and decree number 89/PK/TUN/2008) (Fakultas Hukum Universitas Indonesia, 2013)