MARBUN, Posma; NASUTION, Zulkifli; HANUM, Hamidah; KARIM, Abubakar. Classification, physicochemical, soil fertility, and relationship to Coffee robusta yield in soil map unit selected. Coffee Science - ISSN 1984-3909, [S. l.], v. 15, p. e151818, 2020. DOI: 10.25186/.v15i.1818. Disponível em: https://coffeescience2.ufla.br/index.php/Coffeescience/article/view/1818. Acesso em: 21 oct. 2026.