“SERIES: ECONOMICS APPLIED TO PROCESS ENGINEERING (Part 1) ESTIMATED COST OF THE PRODUCT”. Revista Peruana de Química e Ingeniería Química 7, no. 1 (September 13, 2004): 14–23. Accessed August 17, 2024. https://revistasinvestigacion.unmsm.edu.pe/index.php/quim/article/view/4633.