Source: https://www.researchgate.net/profile/Jad-Tahouri/publication/310169785_IDENTIFICATION_VALORISATION_ET_PROTECTION_DES_GEOSITES_DU_RIF_REGION_DE_TAOUNATE-MERNISSA_RIF_EXTERNE_MAROC/links/5829fdf308ae138f1bf30174/IDENTIFICATION-VALORISATION-ET-PROTECTION-DES-GEOSITES-DU-RIF-REGION-DE-TAOUNATE-MERNISSA-RIF-EXTERNE-MAROC.pdf