SIHOMBING, E. P. S. EVALUASI SIFAT FISIKA TANAH TYPIC HAPLUDULTS PADA EMPAT GENERASI TANAM KELAPA SAWIT PT SOCFIN INDONESIA DI KEBUN AEK LOBA KABUPATEN ASAHAN. Jurnal Online Pertanian Tropik, [S. l.], v. 4, n. 2, p. 106–113, 2017. DOI: 10.32734/jopt.v4i2.3076. Disponível em: https://idjpcr.usu.ac.id/jpt/article/view/3076. Acesso em: 5 aug. 2025.