Kuwabara (2009)[1], Cited in: [2]
①
[2] https://docs.google.com/document/u/0/d/1DN7QXNEeSm-8vSFDS9QKRy54JgT2M92lavKZpPolH88/mobilebasic(https://megalodon.jp/?url=https%3A%2F%2Fdocs.google.com%2Fdocument%2Fu%2F0%2Fd%2F1DN7QXNEeSm-8vSFDS9QKRy54JgT2M92lavKZpPolH88%2Fmobilebasic)