Difficulties Faced by Children with Selective Mutism in Schools and Support Thereof Journal of Special Education Research,9(1):pp.23-34 2020(Aug.) Author:Matsushita. H., Okumura. M., Sakai. T., Shimoyama. M., & Sonoyama. S.
「惑星ソイルの物語」を糸口とした障害理解教育の実践 Journal of Inclusive Education,8:pp.82-90 2020(Feb.) Author:杉中拓央・奥村真衣子
Enrollment rate of children with selective mutism in kindergarten, elementary school, and lower secondary school in Japan Journal of Special Education Research,8(1):pp.11-19 2019(Aug.) Author:Matsushita. H., Okumura. M., Sakai. T., Shimoyama. M., & Sonoyama. S.
Voice volume feedback and in vivo exposure intervention for a high school student with selective mutism Journal of Special Education Research,3(2):pp.55-64 2015(Mar.) Author:Okumura, M. & Sonoyama, S.
Understanding the current status of and exploring treatment approaches to selective mutism in adolescence: A case study The 22nd Conference of the Korea Society for the Emotional & Behavioral Disorders,:pp.111-118 2014(Nov.) Author:Okumura, M. & Sonoyama, S