Salih Hammad, AbdulRazzaq, AND 		Dhahir Al-Qaisi, Hadhir.
" The problem of representing the morphometric characteristics between the data and the accuracy of their representation of the water network DEM -Land Sat8 - in the area of Sankau" <em>Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية</em> [Online], Volume 25 Number 9 (22 March 2019)