Sitanggang, Saurina Septiani, and Nina Novira. “WELFARE ANALYSIS OF FRESH FISH TRADERS IN DELITUA TRADITIONAL MARKET, DELITUA DISTRICT, DELI SERDANG REGENCY”. Tunas Geografi, vol. 11, no. 1, Aug. 2022, pp. 19-26, doi:10.24114/tgeo.v11i1.33268.