Pan-ngum, S., Soonrach, T., Seesutas, S., Noymai, A., & Israsena, P. (2013). Development of a Low Cost Assistive Listening System for Hearing-Impaired Student Classroom. Hindawi Publishing Corporation.

Pan-ngum, Setha, Tharapong Soonrach, Sangvorn Seesutas, Anukool Noymai, und Pasin Israsena. Development of a Low Cost Assistive Listening System for Hearing-Impaired Student Classroom. Hindawi Publishing Corporation, 2013.

Pan-ngum, Setha, et al. Development of a Low Cost Assistive Listening System for Hearing-Impaired Student Classroom. Hindawi Publishing Corporation, 2013.