The current evolution of the foothills and its impact on the instability of road axes in the Southern central of the Rif: "the study of the impact and the evaluation of interventions through the case of a landslide in Btioui bank on the regional road 510a. (2019). Journal of Social Sciences, 3(11), 120-144. https://journalsocialsciences.de/index.php/jss/article/view/481