TY - BOOK AU - Kassulamemba,Frederick TI - Tanzania spoken english: : error analysis of the vowel system AV - THS EAF PE1157.K2 PY - 1977/// CY - Dar es Salaam PB - : Dar es Salaam University Press KW - English language KW - Pronounciation - Foreign KW - Phonology - Vowels N1 - Bibliography: p.34-35 Thesis; (M.A.) - University of Dar es Salaam ER -