Dina Arfianti Saragih; Delyana R. Pulungan; Guntoro; Ika Ucha Pradifta Rangkuti; Tifany Zia Aznur; Fadli Akbar Lubis; Juhal Prayogie. FEASIBILITY STUDY OF UTILIZING SOYBEAN AS AN INTERCROP PLANT IN IMMATURE OIL PALM AS AN EFFORT TO INCREASE THE INCOME OF OIL PALM FARMERS. IJSET 2023, 2, 493-500.