Ataei, Abtin, and Chang Kyoo Yoo. “Application of Pinch Technology for Waste Heat Recovery in The Linear-Alkyl-Benzene Sulfonation Process”. Asian Journal of Chemistry, vol. 23, no. 4, Dec. 2010, pp. 1539-47, https://asianpubs.org/index.php/ajchem/article/view/10259.