ZAIA, YOUSIF YOUKHANNA, SARHAT MUSTAFA ADAM, and SAMI MAMLOOK GILYANA. “A COMPARISON OF RTK-GPS VERTICAL COMPONENT WITH PRECISE DIGITAL LEVEL FOR ESTIMATING VOLUMES”. Journal of Duhok University 20, no. 1 (July 28, 2017): 374-380. Accessed April 28, 2024. https://journal.uod.ac/index.php/uodjournal/article/view/47.