RIANTI, Suratniaf. KARAKTERISTIK SIFAT FISIKA TANAH PADA BERBAGAI KELAS UMUR TEGAKAN KELAPA SAWIT DI PT. PP. LONDON SUMATERA INDONESIA, Tbk UNIT SEI MERAH ESTATE. Agroprimatech, [S. l.], v. 3, n. 1, p. 86–91, 2020. Disponível em: https://jurnal.unprimdn.ac.id/index.php/Agroprimatech/article/view/791. Acesso em: 7 dec. 2025.