STEVANUS, C. T.; SAPUTRA, J.; WIJAYA, T. PERAN UNSUR MIKRO BAGI TANAMAN KARET. Warta Perkaretan, [S. l.], v. 34, n. 1, p. 11–18, 2015. DOI: 10.22302/ppk.wp.v34i1.59. Disponível em: https://ejournal.puslitkaret.co.id/index.php/wartaperkaretan/article/view/59. Acesso em: 3 jul. 2024.