Tizi wuzzu ,kreγ-d dagi ,xedmeγ turagt di tusna n tγemsa deg tseddawit n Ben Σaknun deg wayen yerzan taγamsa yuran, tura aql-i mbaɛd 20 n yiseggasen uγalaγ γer tseddawit ad kemleγ agerdas n Lmaster taγult n taywalt (Communication).