Guidelines for hearing aids and services for developing countries, September 2004, 2nd ed
الإستشهاد
WHO Programme for the Prevention of Deafness and Hearing Impairment. (2004). Guidelines for hearing aids and services for developing countries, September 2004, 2nd ed. World Health Organization. https://iris.who.int/handle/10665/43066
ISBN
9241592435924559243X (Chinese)
اللغة
English中文