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Ching, Teresa Y. C., Quar, Tian Kar, Johnson, Earl E., Newall, Philip, Sharma, Mridula. American Academy of Audiology; 2015. Comparing NAL-NL1 and DSL v5 in hearing aids fit to children with severe or profound hearing loss: goodness of fit-to-targets, impacts on predicted loudness and speech intelligibility.

Quar, Tian Kar, Ching, Teresa Y. C., Mukari, Siti Zamratol-Mai Sarah, Newall, P. Taylor & Francis; 2012. Parents' evaluation of aural/oral performance of children (PEACH) scale in the Malay language: data for normal-hearing children.