Mariana, M., A. Amri, K. Kheriah, B. Izwany, and N. Kamaliah. “Comparative Study of Sales Contracts in Law”. HEI EMA : Jurnal Riset Hukum, Ekonomi Islam, Ekonomi, Manajemen Dan Akuntansi, vol. 4, no. 1, Jan. 2025, pp. 67-78, doi:10.61393/heiema.v4i1.280.