IIrish language promotionIrish language promotionde William Francis MackeyMateriasCommittee on Irish Language Attitudes ResearchIrish languageSocial aspectsSocial aspects of Irish languageEdiciones (1)Irish language promotion (1977)Institiúid Teangeolaíochta Éireann · inglésMás obras de William Francis MackeyBBibliographie internationale sur le bilinguisme =Bibliographie internationale sur le bilinguisme =TThe indices of coverageThe indices of coveragePPrincipes de didactique analytiquePrincipes de didactique analytique