Ratchanon Intarasathit และ Christopher Schaub. (2017) A guide to playing clarinet repertoire from the romantic period. Mahidol University:ม.ป.ท.Ratchanon Intarasathit และ Christopher Schaub. 2017. A guide to playing clarinet repertoire from the romantic period. ม.ป.ท.:Mahidol University;Ratchanon Intarasathit และ Christopher Schaub. A guide to playing clarinet repertoire from the romantic period. ม.ป.ท.:Mahidol University, 2017. Print.