Roca , S. and Simabuko , L. 1999. Value and quality creation: natural resources, industrialization and standards of living in peru 1950 to 1997. Journal of Economics, Finance and Administrative Science. 5, 9-10 (Dec. 1999), 69–123. DOI:https://doi.org/10.46631/jefas.1999.n9-10.05.