HAYNES, R. (1976) “THE SOCIO-ECONOMIC DEVELOPMENT OF THE CHILEAN PROVINCES CHILEAN PROVINCES: A CLASSIFICATION BASED ON PRINCIPAL COMPONENT ANALYSIS”, Revista de Geografía Norte Grande, (5), pp. 65–75. Available at: https://revistahistoria.uc.cl/index.php/RGNG/article/view/39353 (Accessed: 22July2024).