Hideaki Okubo ·2013-01-01 ·『Taiikugaku kenkyu (Japan Journal of Physical Education Health and Sport Sciences)』 58(1) pp. 331-342
2件 (「root form」)
Gerald J. Canter ·1963-08-01 ·『Journal of Speech and Hearing Disorders』 28(3) pp. 221-229
2件 (「root form」)