Siraparulh Thongthep และ Summon Chomchai. (2014) Factors associated with mental health problems of mothers of delayed development children in hospitals in the southern region. Mahidol University:ม.ป.ท.Siraparulh Thongthep และ Summon Chomchai. 2014. Factors associated with mental health problems of mothers of delayed development children in hospitals in the southern region. ม.ป.ท.:Mahidol University;Siraparulh Thongthep และ Summon Chomchai. Factors associated with mental health problems of mothers of delayed development children in hospitals in the southern region. ม.ป.ท.:Mahidol University, 2014. Print.