Al-ahbabi, Shaima Hamid Hussein, and Shaima Hamid Hussein Al-ahbabi. “Sustainable Urban Conservation in the Heritage Areas”. Nahrain University College of Engineering Journal, vol. 17, no. 2, June 2014, pp. 14-25, https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/228.