3件 （「language attrition」）

The First Stage of Second Language Attrition: A Case Study of a Japanese Returnee 論文集所収

Machiko Tomiyama ·1999-11-25 ·pp. 59-79

doi:10.1093/oso/9780195123043.003.0003

Chapter 9. What counts in the retention of numeral classifiers in Japanese and Chinese? 論文集所収

Lynne Hansen・Yunglin Chen ·2012-01-27 ·『Studies in bilingualism』　pp. 203-220

doi:10.1075/sibil.45.09han

Sociolinguistic factors in loss and acquisition of phonology 論文集所収

Roy C. Major ·2010-07-06 ·『Cambridge University Press eBooks』　pp. 463-478

doi:10.1017/cbo9780511627781.019