SMB Economic Research, Inc. ; Stephen M. Barro, Andrew KolstadCenter for Education Statistics, Office of Educational Research and Improvement, U.S. Dept. of Education : For sale by the Supt. of Docs., U.S. G.P.O.1987
全国の図書館
National Center for Research in Vocational Education, Ohio State University Research Foundation, Columbus, Ohio ; John A. GardnerCenter for Education Statistics, Office of Educational Research and Improvement, U.S. Dept. of Education : For sale by the Supt. of Docs., U.S. G.P.O.1987
全国の図書館
Susan T. Hill, P. Elaine Kroe, Summer D. WhitenerCenter for Education Statistics, Office of Educational Research and Improvement, U.S. Dept. of Education : For sale by the Supt. of Docs., U.S. G.P.O.1987
全国の図書館