Ouatiki, K., Bahi, L., Awa, M. O., Ouadif, L., Akhssas, A. and Ejjaaouani, E. H. (2016) “Identification Of Collapsible Soils In Deroua (Morocco)”, European Scientific Journal, ESJ, 12(6), p. 255. doi: 10.19044/esj.2016.v12n6p255.