Agus Antoni, Mochamad, et al. “Legal Protection for Heirs Against the Transfer of Land Ownership Rights Through Underhand Sales and Purchase Agreements Without the Knowledge of the Heirs (Study Decision Number 41 PDT.G 2020 PN CELL)”. Journal of Law, Politic and Humanities, vol. 4, no. 4, June 2024, pp. 701-8, doi:10.38035/jlph.v4i4.416.