Research keywords (1):
Language Contact, Language Change, Language Variation, Language Policy, Language Inheritance, Endangered languages, Altaic (Manchurian-Tungusic-Mongolian) Languages, Language Landscape, Language Services,Language Economy,etc.
多言語社会研究会
, The International Association of Urban Language Studies (IAULS)
, Tokyo-Okinawa-East Asia Forum on Adult Education and Cultures(TOAFAEC)
, The Chinese Linguistic Society of Japan