: Resolución de sistemas en corriente directa, contracorriente o mixta, enfocándose en el ahorro de vapor.
Many problems are solved via ξ for each independent reaction. The solucionario doesn’t jump to a shortcut—it shows the linear system, making it reusable for similar problems. Solucionario Ocon Tojo Capitulo 3
While the original Aguilar editions are out of print, digital versions and specific problem walkthroughs are frequently shared on academic platforms: contracorriente o mixta