PUNUINDOONG, S.; SINOLUNGAN, M. T.; RONDONUWU, J. J. KAJIAN NITROGEN, FOSFOR, KALIUM DAN C-ORGANIK PADA TANAH BERPASIR PERTANAMAN KELAPA DESA RANOKETANG ATAS. Soil and Environment Journal, [S. l.], v. 1, n. 1, p. 6–11, 2021. DOI: 10.35791/se.21.3.2021.36670. Disponível em: https://ejournal.unsrat.ac.id/v3/index.php/soilenvironmental/article/view/36670. Acesso em: 5 may. 2024.