Al-Helal, A., and Al-Awadhi, J. M. (2006). Assessment of sand encroachment in Kuwait Using GIS. Environmental Geology, 49, 960–967. https://doi.org/10.1007/s00254-005-0134-8

Al-Helal, A. (2004). Assessment of sand encroachment in Kuwait Using GIS and statistical methods. A Thesis Submitted to the College of Graduate Studies in Partial Fulfilment of the Requirements for the M.Sc. Degree in: Earth and Environmental Sciences. Kuwait University

Note: The data was provided by Dr. Anwar Al-Helal