tian kar quar, teresa y.c. ching, philip newall & mridula sharma.  (2013).  evaluation of real-world preferences and performance of hearing aids fitted according to the nal-nl1 and dsl v5 procedures in children with moderately severe to profound hearing loss.  - international journal of audiology.  52(5):322-332. 

tian kar quar, teresa yc ching, siti zamratol-mai sarah mukari, philip newall.  (2012).  parents` evaluation of the aural/oral performance of children (peach) scale in the malay language : data for normal-hearing children.  - international journal of audiology.  51:326-333.