RICARD i d-yebder A. AMEZYAN deg Thse de doctorat (2008-2009 :28) :  anda nniḍen timawit ur telli teserkes akked wansay, ur telli d astixer n usnulfu amaynut, si tama niḍen ur tezmir ad tɛeddi i uqeru amsuffeɣ n lɛada