Mukesh Singh Boori and Venerando Eustáquio Amaro, A Remote Sensing Approach for Vulnerability and Environmental Change in Apodi Valley Region, Northeast Brazil. journal = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology. February 2011, vol. 50(2). 93 - 103 [viewed 21 September 2024]. Available from: https://publications.waset.org/pdf/7306.