Assessing the impact of tourism: intellectual and economic struggles and landscape changes on Kihnu island. 102, 341-355. WITPress. https://doi.org/10.2495/SDP070331
. (2007). Azil, C., Rezzaz, M. A., & Bendaoud, A. (2020). Aspiring Hoggar and Tidikelt geoparks in Algeria. Arabian Journal Of Geosciences, 13. https://doi.org/10.1007/s12517-020-06017-y (Original work published oct)