K. A. Febrianto, D. T. Cahyaningsih, and A. E. P. Maharani, “Legal Certainty in the Sale and Purchase of Land Formerly Subject to a Right to Build Based on Privately Signed Documents: A Critical Analysis of Judgment No. 46/PDT.G/2023/PN PWD and No. 251 PK/PDT/2025”, JOLS, vol. 3, no. 4, pp. 207–218, Oct. 2026.