00818nam a2200217 a 4500001001400000003000400014008004100018020002400059050002200083245011100105260004900216300001000265490005100275490005500326650006000381650001800441650007800459700002100537700002300558700001900581vtls000100218MTX141211 2000    nju           000 0 eng d  a080582880X /c2,00000aLC4019bC743 200010aContemporary special education research : syntheses of the knowledge base on critical instructional issues  aMahwah, N.J. :bL. Erlbaum Associates,c2000  a341 p  aLEA series on special education and disability  aThe LEA series on special education and disability 0aSpecial educationxResearchzUnited StatesxMethodology 0aMeta-analysis 0aPeople with disabilitiesxEducationxResearchzUnited StatesxMethodology1 aGersten, Russell1 aSchiller, Ellen P.1 aVaughn, Sharon