KUFA, T.; SHIMBER, T.; YILMA, A.; NETSERE, A.; TAYE, E.; TAYE, E. The impact of close spacing on yield of arabica coffee under contrasting agro-ecologies of Ethiopia. African Crop Science Journal, [S. l.], v. 9, n. 2, 2001. DOI: 10.4314/acsj.v9i2.27611. Disponível em: https://www.ajol.info/index.php/acsj/article/view/27611. Acesso em: 20 aug. 2026.