Tipwaree Aueworakhunanan และผู้แต่งคนอื่นๆ. (2015) Factors affecting voice therapy outcome in adults with voice disorders. Mahidol University:ม.ป.ท.Tipwaree Aueworakhunanan และผู้แต่งคนอื่นๆ. 2015. Factors affecting voice therapy outcome in adults with voice disorders. ม.ป.ท.:Mahidol University;Tipwaree Aueworakhunanan และผู้แต่งคนอื่นๆ. Factors affecting voice therapy outcome in adults with voice disorders. ม.ป.ท.:Mahidol University, 2015. Print.