Tokgöz-Yılmaz, Suna, et al. “Evaluation of Hearing and Speech-Language in Preschool Children: How Important, Why We Should Perform?”. The Turkish Journal of Pediatrics, vol. 55, no. 6, Dec. 2013, pp. 606-11, https://doi.org/10.24953/turkjpediatr.2013.1563.