Ferreira, A. et al. 2005. Simultaneous selection of Coffea canephora by means of combination of factor analysis and selection indexes. Pesquisa Agropecuaria Brasileira. 40, 12 (Dec. 2005), 1189–1195. DOI:https://doi.org/10.1590/S1678-3921.pab2005.v40.7083.