SIRS, investigation of the relative efficacy of two response prompting techniques in the instruction of students with severe handicaps microform : final report / Felix F. Billingsley, principal investigator
原資料の出版事項: [Seattle, Wash. ; Washington, D.C.] : Washington Univ. : U.S. Dept. of Education, Office of Educational Research and Improvement, Educational Resources Information Center, [1986]