Duangkamol Tangviriyapaiboon. (2013) Effect of early intensive intervention program in children with autistic spectrum disorders on IQ outcome. <i>Journal of Mental Health of Thailand</i>, <i>21</i>(2), 121-130.Duangkamol Tangviriyapaiboon. "Effect of early intensive intervention program in children with autistic spectrum disorders on IQ outcome". Journal of Mental Health of Thailand 21 (2013):121-130.Duangkamol Tangviriyapaiboon. Effect of early intensive intervention program in children with autistic spectrum disorders on IQ outcome. Department of Mental Health Thailand:ม.ป.ท. 2013.