MORRIS KATEETI MBALUKA; DENNIS K. MURIITHI; GLADYS G. NJOROGE. Application of Principal Component Analysis and Hierarchical Regression Model on Kenya Macroeconomic Indicators. Utilitas Mathematica , [S. l.], v. 118, p. 37–57, 2021. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1541. Acesso em: 7 may. 2026.