LEADER 00000cz 2200253n 4500 001 n 80046953 003 DLC 005 20130315093239.0 008 800530n| azannaabn |a ana 010 n 80046953 035 (OCoLC)oca00428884 040 DLC|beng|erda|cDLC|dOCoLC|dDLC 110 1 United States.|bNational Diffusion Network 410 2 N.D.N. (United States. National Diffusion Network) 410 2 |wnna|aNational Diffusion Network (U.S.) 410 2 NDN (United States. National Diffusion Network) 410 1 United States.|bDepartment of Education.|bNational Diffusion Network 410 1 United States.|bDivision of Educational Replication. |bNational Diffusion Network 410 1 United States.|bNational Diffusion Network Division 510 1 |wr|iHierarchical superior:|aUnited States.|bDepartment of Education 510 1 |wr|iHierarchical superior:|aUnited States.|bDivision of Educational Replication 670 Far West Laboratory for Educational Research and Development. Educational programs that work, 1979 (a.e.) |bt.p. (National Diffusion Network, Division of Educational Replication, Department of Education) cover (NDN; National Diffusion Network) cover p. 4 (Washington, DC) 670 Educational programs that work, 1981 (x-ref.)|bt.p. (National Diffusion Network Division, Department of Education) 670 Phone call to Dept. of Education, 8/15/83|b(National Diffusion Network Division is possibly a misprint; name is National Diffusion Network)