Dari http://www.cochlear.com/wps/wcm/connect/e19c444f-8661-4fd3-8451-9f6be9d381c2/product_cochlearimplant_rehabilitationresources_earlyintervention_soundfoundationforbabies_weeklyhomelessons_auditionweek6_en_546kb.pdf?MOD=AJPERES&CONVERT_TO=url&CACHEID=e19c444f-8661-4fd3-8451-9f6be9d381c2