Khan, Tanveer, Kamran Shabbir, Mudasser Khan, Farrukh Siddiqui, Muhammad Yousaf Taseer, and Sunera Imtiaz. 2020. “Earth-Tube System to Control Indoor Thermal Environment in Residential Buildings”. Technical Journal 25 (02), 33-40. https://tj.uettaxila.edu.pk/index.php/technical-journal/article/view/1174.