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Retrieved 2008-08-25. Jacobson, Steven. CentralYupik and the Schools – A Handbook for Teachers. Alaska Native Language Center, University of Alaska Fairbanks
平原印第安人手语(英語:Plains Indian Sign Language,PISL;法語:Langue des Signes Indienne des Plaines;西班牙語:Lenguaje de Signos Indio de las Llanuras),又称平原手语、平原手势谈话(Plains
structure in Central Yup’ik Eskimo. John Haiman and Pamela Munro (eds.) (编). Switch-reference and universal grammar. Typological studies in language, 2. Amsterdam: