Yamashita Akemi. The Japanese Correspondence Course Before World War 2. 明海日本語 = Meikai Japanese language journal. 2015. 20. 20. 59-63
山下 暁美. Study of the diversity of loan words' phonemes in Japanese : Based on the results of recorded sound research nationwide. 応用言語学研究 : 明海大学大学院応用言語学研究科紀要. 2015. 17. 79-87
山下 暁美. Japanese Language as a lifeline : Suggestions for Emergency word Cards for disaster. 応用言語学研究 : 明海大学大学院応用言語学研究科紀要. 2014. 16. 57-74
山下 暁美. Dialect use and standardization in the west coast of Japan. 応用言語学研究 : 明海大学大学院応用言語学研究科紀要. 2013. 15. 105-118
