Reconstructing Legal Certainty in Marriage Agreements through Freedom of Contract and the Protection of Property Rights: An Analysis of Constitutional Court Decision Number 69/PUU-XIII/2015 regarding the Practice of Marriage Agreements in the City of Tangerang (S. Fathiyah & D. Saleha, Trans.). (2026). West Science Social and Humanities Studies, 4(10), 1274-1282. https://doi.org/10.58812/wsshs.v4i10.3202