SERIES: ECONOMICS APPLIED TO PROCESS ENGINEERING (PART 9) MANAGEMENT AND PERFORMANCE MEASUREMENT ANALYSIS GROSS PROFIT. Revista Peruana de Química e Ingeniería Química, [S. l.], v. 11, n. 1, p. 21–28, 2008. Disponível em: https://revistasinvestigacion.unmsm.edu.pe/index.php/quim/article/view/4880.. Acesso em: 18 jul. 2024.