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: http://139.162.50.187/index.php/Agroprimatech/article/view/791. Acesso em: 3 apr. 2026.