Ali, C. H., M. Westermark, M. Zafar, T. Iqbal, S. Yasin, and H. M. Khan. “Study of Hygroscopic Media for Recovery of Waste Heat from Flue Gases in Hygroscopic condenser/Absorption Column”. Journal of the Pakistan Institute of Chemical Engineers, vol. 45, no. 1, June 2017, pp. JPIChE 45 (1) 2017 113-119, http://piche.org.pk/journal/index.php/jpiche/article/view/364.