Sutijan, S., M. Jobson, and R. Smith. “ynthesis of ernary omogeneous zeotropic istillation equences: ntrainer election”. SEAN ournal of hemical ngineering, ol. 12, no. 1, Dec. 2002, pp. 20-33, https://journal.ugm.ac.id/v3/AJChE/article/view/8119.