Weir, C., & Ayliff, D. (2014). Does Deafness Spell Disaster? An Analysis of the Written English Levels of Deaf Children in the Nelson Mandela Metropole, South Africa. University of the Free State.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWeir, Carolyn, এবং Diana Ayliff. Does Deafness Spell Disaster? An Analysis of the Written English Levels of Deaf Children in the Nelson Mandela Metropole, South Africa. University of the Free State, 2014.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিWeir, Carolyn, এবং Diana Ayliff. Does Deafness Spell Disaster? An Analysis of the Written English Levels of Deaf Children in the Nelson Mandela Metropole, South Africa. University of the Free State, 2014.
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