FS, H.; ARMAN, I.; HARAHAP, N. .; FAUZI AHMAD, S. Provision of Urea Fertilizer and Organic Fertilizer of Rice Husk Charcoal on the Growth of Oil Palm Seeds. Jurnal Online Pertanian Tropik, [S. l.], v. 9, n. 2, p. 170–174, 2022. DOI: 10.32734/jopt.v9i2.9534. Disponível em: https://talenta.usu.ac.id/jpt/article/view/9534. Acesso em: 23 aug. 2025.