W. R. joys Situmeang, D. R. Pulungan, and Tifany Zia Aznur, “ANALYSIS OF MARKETING OF INDEPENDENT FARMERS’ FRUIT FRUIT IN DOLOK MERAWAN VILLAGE DOLOK MERAWAN DISTRICT, SERDANG BEDAGAI REGENCY”, IJSET, vol. 5, no. 7, pp. 4994–5004, Jul. 2026.