Siti Khamariah Ahmad. (2005). A cross sectional study on hearing impairment among standard one kebangsaan school children in Bayan Lepas Penang. Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Siti Khamariah Ahmad. A Cross Sectional Study on Hearing Impairment Among Standard One Kebangsaan School Children in Bayan Lepas Penang. Kuala Lumpur: Universiti Kebangsaan Malaysia, 2005.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Siti Khamariah Ahmad. A Cross Sectional Study on Hearing Impairment Among Standard One Kebangsaan School Children in Bayan Lepas Penang. Universiti Kebangsaan Malaysia, 2005.
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