抱歉，没有查到。原文末尾未列出参考文献和引文。
这里有篇相关的：
https://www.modernchinastudies.org/us/issues/past-issues/52-mcs-1996-issue-1/353-2011-12-29-17-22-11.html
或去查询：
Research & Statistics
The National Library of Education in the Institute of Education Sciences maintains a telephone line staffed by trained information specialists. Members of the public, including educators and researchers, typically call this number for information about education statistics and education research information. The number is 202-205-5015. Federal Relay Service. The National Library of Education can also answer questions on research and statistics by email at AskaLibrarian@ed.gov
The Educational Resources Information Center (ERIC) is an internet-based digital library of education research and information. It provides access to bibliographic records of journal and non-journal literature and a growing collection of materials in Adobe PDF format. To find out more about the ERIC collection, call 1-800-LET-ERIC (1-800-538-3742) or visit the ERIC website at eric.ed.gov.
