SPEECH TRAINING WITH A CEREBRAL PALSIED CHILD BY MEANS OF OPERANT CONDITIONING (2) : APPLICATION OF VISUAL CUES 論文 CHIZUKO OTA・Shígeo Kobayashi ·1979-01-01 ·『The Japanese Journal of Special Education』 16(3) pp. 49-56 doi:10.6033/tokkyou.16.49