Measuring the quality of program environments in Head Start and other early childhood programs [microform] : a review and recommendations for future research / [prepared by John M. Love, Alicia Meckstroth, Susan Sprachman]
原資料の出版事項: [Washington, DC] : U.S. Dept. of Education, Office of Educational Research and Improvement, National Center for Education Statistics : Educational Resources Information Center, [1997]