1997 - Twice As Less Black English and the Performance of Black Students in Mathematics and Science (Paperback) → Paperback, Hardcover ISBN-13: 9780393317411 ISBN-10: 0393317412 Genres: Reference, Nonfiction, Engineering & Transportation ? 1987 - Twice As Less Black English and the Performance of Black Students in Mathematics and Science (Hardcover) → Paperback ISBN-13: 9780393023923 ISBN-10: 0393023923 Genres: Reference, Nonfiction ? Twice As Less Black English and the Performance of Black Students in Mathematics and Science (Paperback) → Paperback, Hardcover ISBN-13: 9780393305852 ISBN-10: 0393305856 ? |