BUS UMAR, H. PRINCIPAL COMPONENT ANALYSIS (PCA) DAN APLIKASINYA DENGAN SPSS. Jurnal Kesehatan Masyarakat Andalas, [S. l.], v. 3, n. 2, p. 97–101, 2009. DOI: 10.24893/jkma.v3i2.68. Disponível em: http://jurnal.fkm.unand.ac.id/index.php/jkma/article/view/68. Acesso em: 28 may. 2023.