Haq, Muhammad Zia Ul, and Hafiz Miqdad Masood. “Performance Enhancement of an Industrial Fire Tube Boiler”. Journal of the Pakistan Institute of Chemical Engineers 48, no. 1 (November 15, 2022): 43–48. Accessed April 25, 2024. http://piche.org.pk/journal/index.php/jpiche/article/view/455.