Hussain, Shahid, Hizbullah Khan, and Hamza Qureshi. 2023. “Environment Environment Friendly, Low Energy, Heating, Ventilation and Air Conditioning (HVAC) System, Using Water Medium As a Heat Exchanger”. Technical Journal 28 (02), 9-17. https://tj.uettaxila.edu.pk/index.php/technical-journal/article/view/1687.