M.Z. Shahruddin, X. Tan, A.N. Rahimi, M.A. Zubir, M.F. Islam Zahran, K.A. Ibrahim, M.K. Abd Hamid, Thermal Pinch Analysis Application on Distillation Columns Sequence of 5-Component Alcohol Mixture, Chemical Engineering Transactions. 72 (2019) 271-276. doi:10.3303/CET1972046.