Seth Kampiranon และ Natee Chiengchana. (2016) The effect of Pilates respiration-based classical vocal technique on student’s vocal performance: a single-case study. Mahidol University:ม.ป.ท.Seth Kampiranon และ Natee Chiengchana. 2016. The effect of Pilates respiration-based classical vocal technique on student’s vocal performance: a single-case study. ม.ป.ท.:Mahidol University;Seth Kampiranon และ Natee Chiengchana. The effect of Pilates respiration-based classical vocal technique on student’s vocal performance: a single-case study. ม.ป.ท.:Mahidol University, 2016. Print.