Sunsanee Srisethnil. (1989) Prevalence of malocclusion and need of orthodontic treatment in 8-12 year old school children in the primary school of Bangkok Metropolis. Mahidol University,:ม.ป.ท.Sunsanee Srisethnil. 1989. Prevalence of malocclusion and need of orthodontic treatment in 8-12 year old school children in the primary school of Bangkok Metropolis. ม.ป.ท.:Mahidol University,;Sunsanee Srisethnil. Prevalence of malocclusion and need of orthodontic treatment in 8-12 year old school children in the primary school of Bangkok Metropolis. ม.ป.ท.:Mahidol University, 1989. Print.