Ramadhan, Munawwir. “THE ZAKAT OF CRAB TRADING ACCORDING TO IMAM ASY-SYAFI’I AND IMAM IBN HAZMIN (A CASE STUDY OF TANJUNGBALAI ASAHAN)”. Eqien - Jurnal Ekonomi Dan Bisnis, vol. 9, no. 2, Mar. 2022, pp. 340 – 349, doi:10.34308/eqien.v9i2.416.