Narumol Nguanthean และ Sivalee Suriyapee. (2012) The attenuation of treatment couch in advance radiotherapy techniques. Chulalongkorn University:ม.ป.ท.Narumol Nguanthean และ Sivalee Suriyapee. 2012. The attenuation of treatment couch in advance radiotherapy techniques. ม.ป.ท.:Chulalongkorn University;Narumol Nguanthean และ Sivalee Suriyapee. The attenuation of treatment couch in advance radiotherapy techniques. ม.ป.ท.:Chulalongkorn University, 2012. Print.