Twice as less : Black English and the performance of black students in mathematics and science /

Bibliographic Details
Main Author:	Orr, Eleanor Wilson
Format:	Book
Language:	English
Published:	New York : Norton, [1987]
Edition:	1st ed.
Subjects:	Black English. African Americans > Education. African Americans > Language. Language and education > United States. African American scientists. African American mathematicians. Mathematics > Study and teaching > United States. Science > Study and teaching > United States.