Tasnalɣa d tussna i yettnadin ɣef talɣa n wawalen, Dubois (j). , yenna-d :  Deg tjarrumt taqburt, tesnalɣa d tazrawt n talɣiwin n wawalen, s tenemgal ɣer tezrewt n twuriwin neɣ n tseddast 1