United States and Mexican state directors of special education [microform] : information exchange meeting, February 7-9, 1999 : proceedings document : final report / prepared for Office of Special Education Programs, U.S. Department of Education ; prepared by Project FORUM
原資料の出版事項: Alexandria, VA ; [Washington, DC] : National Association of State Directors of Special Education : U.S. Dept. of Education, Office of Educational Research and Improvement, Educational Resources Information Center, [1999]