1. Y. Al. Sunbul, Boron Removal from Seawater by Thin-Film Composite Reverse Osmosis Membranes, Thesis, King Abdullah University of Science and Technology, Thuwal, 2018.
2. T. Luo, R. Young, P. Reig, Aqueduct Projected Water Stress Country Rankings, 2015.
3. R. Leguen, Water Scarcity: Threats, World Wildl. Fund. 2012. https://www.worldwildlife.org/threats/water-scarcity. (Accessed 21 March 2020).
4. S. Bint El Hassan, H. Eldidi, D. Guerrier, A. Closas, C. Demilecamps, Y. kassim, C. Lacirignola, N. Lamaddalena, J. Mateo-Sagasta, N. Rivera, Water Around the Mediterranean, 2018. https://www.cmimarseille.org/knowledge-library/water-around-mediterranean. (Accessed 21 March 2020).
5. T. Essaadi, Morocco Faces a Dangerous Shortage of Water in 2025, EMouaten Engl. Bull. Veille Informationnelle. 2013. https://www.emouaten.com/english/eMouaten-English_r10.html. (Accessed 21 March 2020).