01081nam 2200325Ka 450 991069064750332119990806104900.0(CKB)5470000002339838(OCoLC)41463755ocm41463755(OCoLC)995470000002339838(EXLCZ)99547000000233983819990601d1999 ua 0engtxtrdacontentcrdamediacrrdacarrierOvercoming structural barriers to good textbooks[electronic resource] /by Harriet Tyson[Washington, D.C.] :U.S. Dept. of Education,[1999]Title from title screen.Educational tests and measurementsUnited StatesTextbooksUnited StatesEducational tests and measurementsTextbooksTyson Harriet1382438United States.Department of Education.BOOK9910690647503321Overcoming structural barriers to good textbooks3425899UNINA