TY - BOOK AU - Ochieng ,Dunlop O TI - correlation between language of education and pupils' academic performance: : a comparative study between LI and L2 AV - THS EAF P53.0353 PY - 2008/// CY - Dar es Salaam PB - University of Dar es Salaam KW - Native language and education, KW - Mother tongues, KW - Tanzania N1 - Includes bibliographical reference Thesis: M.A (Linguistics) University of Dar es Salaam ER -