Nutpinong Wijayaporn. 1989. Auditory brainstem response : a comparative study of ipsilateral and contralateral recordings in normal and unilateral bearing loss subjects. Faculty of Graduate Studies, Mahidol University;
Nutpinong Wijayaporn. (1989) Auditory brainstem response : a comparative study of ipsilateral and contralateral recordings in normal and unilateral bearing loss subjects . Mahidol University/Bangkok.
Nutpinong Wijayaporn. Auditory brainstem response : a comparative study of ipsilateral and contralateral recordings in normal and unilateral bearing loss subjects. . Bangkok:Mahidol University, 1989.
Nutpinong Wijayaporn. (1989) Auditory brainstem response : a comparative study of ipsilateral and contralateral recordings in normal and unilateral bearing loss subjects . Mahidol University/Bangkok.