Official English and English Plus: An Update
Vickie W. Lewelling, ERIC Clearinghouse on Languages and Linguistics, May 1997
Promoting a Language Proficient Society: What You Can Do
Kathleen M. Marcos and Joy Kreeft Peyton, ERIC Clearinghouse on Languages and Linguistics, April 2000
Will the National Education Goals Improve the Progress of English Language Learners?
Charlene Rivera and Mark LaCelle-Peterson, Evaluation Assistance Center, The George Washington University, October 1993