| Type |  Book |
| ชื่อเรื่อง | An Ethnographic/sociolinguistic approach to language proficiency assessment [electronic resource] / edited by Charlene Rivera |
| ISBN | 0585248672 (electronic bk.) |
| | 9780585248677 (electronic bk.) |
| พิมพลักษณ์ | Clevedon, Avon, England : Multilingual Matters, c1983 |
| รูปเล่ม | 1 online resource (xxviii, 140 p.) : ill |
| หัวเรื่อง | Bilingualism --Congresses [] |
| | Communicative competence --Congresses [] |
| | Language and culture --Congresses [] |
| | Language and languages --Ability testing --Congresses [] |