Hassan Danook S, Jalal Tofeeq K, Najmadeen Hussein A. The Contribution of Double Envelopment to Increase Energy Efficiency In Residential Building In Kirkuk City. Al-Kitab J. Pure Sci. [Internet]. 2022 Dec. 27 [cited 2026 Jun. 30];2(2):248-63. Available from: https://isnra.net/ojs/index.php/kjps/article/view/533