Ali, Chaudhry Haider, Mats Westermark, Muhammad Zafar, Tanveer Iqbal, Saima Yasin, and Haris Mahmood Khan. 2017. “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 45 (1):JPIChE 45 (1) 2017 113-119. http://piche.org.pk/journal/index.php/jpiche/article/view/364.