ARAQUE-SALAZAR, Humberto; DUQUE, Hernando. Agronomic variables that determine the productivity of coffee crops in farms of the Caldas Department. Cenicafe Journal, [S. l.], v. 70, n. 1, p. 81–92, 2019. DOI: 10.38141/10778/70106. Disponível em: https://publicaciones.cenicafe.org/index.php/cenicafe/article/view/64.. Acesso em: 23 mar. 2026.