Pitthaya Chomputong A comparative study of maximum phonation time in Thai children aged 6 to 12 years at Saimai district, Bangkok. Thesis (M.Sc. (Communication Disorders))--Mahidol University, 2002. Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/104438
Title
A comparative study of maximum phonation time in Thai children aged 6 to 12 years at Saimai district, Bangkok