Hussain, Shahid, Hizbullah Khan, and Hamza Qureshi. “Environment Environment Friendly, Low Energy, Heating, Ventilation and Air Conditioning (HVAC) System, Using Water Medium As a Heat Exchanger”. Technical Journal 28, no. 02 (May 30, 2023): 9-17. Accessed December 2, 2023. https://tj.uettaxila.edu.pk/index.php/technical-journal/article/view/1687.