BASKARA, Z. W.; HARSYIAH, L.; PARAMARTHA, D. N. A.; UTAMA, Q. D. Factor Analysis for Mapping Characteristics in Robusta Coffee Decaffeination Experiments. EIGEN MATHEMATICS JOURNAL, [S. l.], v. 5, n. 1, p. 15–20, 2022. DOI: 10.29303/emj.v5i1.139. Disponível em: https://eigen.unram.ac.id/index.php/eigen/article/view/139. Acesso em: 7 may. 2024.