“The Use of Natural Energies Coincided With Appropriate Design for Cooling, Ventilating and Exhausting Undesired Gases from Factory Buildings”. Journal of Engineering and Sustainable Development 13, no. 2 (June 1, 2009): Ar 1–17. Accessed May 18, 2024. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1560.