quar tian kar, gladys ht ooi, cila umat, rafidah mazlan, chong foong yen, teresa yc ching.  (2024).  a validation of and normative study of the parents evaluation of aural/oral performance of children plus (peach+) rating scale in malaysia.  - international journal of audiology.  286-291. 

tang zhi lim, cila umat, pei-hua chen, chun hong gan, bee see goh .  (2024).  instruments for evaluating the parental emotional status and ecological support systems among parents who considered cochlear implantation for their children with hearing loss: a scoping review.  - plos one.  1 - 29. 

normah che din, cila umat, nor haniza abdul wahat, azhar talib.  (2022).  mapping the evidence of multidimensional health approaches in treating individuals with prader-willi syndrome: a scoping review protocol.  - bmj open.  1-5. 

quar tian kar, cila umat, chew yong yee.  (2019).  the effects of manufacturers prefit and real ear fitting on the predicted speech perception of children with severe to profound hearing loss.  - journal of the american academy of audiology.  346-356. 

siti z. mukari, c. umat, nor i. othman.  (2010).  effects of age and working memory capacity on pitch pattern sequence test and dichotic listening.  - audiology & neurotology.  15(5):303-310.