D. Azhari, S. . Sudiarti, and N. . Yanti, “Analysis of the Implemention of Bay’ al-Wafa’ Transactions on Farmers in Pulau Gambar Village Serba Jadi District Serdang Bedagai Regency”, j.emak, j.emak, vol. 3, no. 4, pp. 1305–1316, Oct. 2022.