Ferawati, M., I. H. Lubis, and E. Erniyanti. “Juridical Analysis of Legal Protection for the Implementation of Option Agreements for Foreign Citizens (foreign Nationals) in Apartment Ownership (research Study: Apartments in Batam City”. Annals of Justice and Humanity, vol. 4, no. 2, Sept. 2025, pp. 181-92, doi:10.35912/ajh.v4i2.3435.