. . "university extension"@en-us . . "extension"@en-us . . "0"^^ . "100569194"@en-us . . . . . . . . . "extension"^^ . "extension service"@en-us . . . . . "00886039-n"^^ . "an educational opportunity provided by colleges and universities to people who are not enrolled as regular students"@en-us . . . "0"^^ . . "100833363"@en-us . . . . . "100886039"^^ . .