1981 - 1984 Cambridge University History已上传证书
1987 - 1988 Institute of Education, London Education已上传证书
1989 - 1989 International House, London English已上传证书
1981 - 1984
Cambridge UniversityHistory已上传证书
1987 - 1988
Institute of Education, LondonEducation已上传证书
1989 - 1989
International House, LondonEnglish已上传证书