Nasrul Humaimi Mahmood, Ching Yee Yong, Rubita Sudirman, Camallil Omar and Kim Mey Chew, “Functional And Health Related Analysis In The Discipline Of Posthetics,” International Journal of Advances in Engineering & Technology, 2011, Vol. 1, No. 3, pp. 171-179.
 C. Y. Yong, K. M. Chew, N. H. Mahmood, R. Sudirman and C. Omar, “Development and Measurement Properties of Prosthetics Users’ Survey”, 2011 IEEE Symposium on Business, Engineering and Industrial Applications (ISBEIA2011), 25-29 September 2011, Langkawi, Malaysia, pp. 570-575.
 U. Maurer, A. Smailagic and D. P. Siewiorek, “Activity Recognition and Monitoring Using Multiple Sensors on Different Body Positions,” International Workshop on Wearable and Implantable Body Sensor Networks, 2006. doi:10.1109/BSN.2006.6
 C. Y. Yong, Rubita Sudirman and Kim Mey Chew, “Motion Detection and Analysis with Four Different Detectors,” 2011 Third International Conference on Computational Intelligence, Modelling & Simulation (CIMSim 2011), Langkawi, Malaysia, 20-22 September 2011, pp. 46-50.
 A. Godfrey, K. M. Culhane and G. M. Lyons, “Comparison of the Performance of the Active PALTM Trio Professional Physical Activity Logger to a Discrete Accelerometer-Based Activity Monitor,” Medical Engineering & Physic, 2006.
 A. C. Bovik, M. Clark and W. S. Geisler, “Multichannel Texture Analysis Using Localized Spatial Filters,” IEEE Trans. On Pattern Analysis and Machine Intelligence, 1990, Vol. 12, No. 1, pp. 55-73. doi:10.1109/34.41384
 Ching Yee Yong, K. M. Chew, N. H. Mahmood and I. Ariffin, “Image Processing Tools Package in Medical Imaging in MATLAB,” International Journal of Education and Information Technologies, North Atlantic University Union, NAUN, Vol. 6, No. 3, 2012, pp. 260 -268.
 Ching Yee Yong, R. Sudirman, N. H. Mahmood, K. M. Chew, A. H. AB Rahim and M. N. H. Zainudin,“Time-Frequency Domain and Spectrogram Distribution for Human Motion and Movement Behaviour Analysis,” icbeb 2012 International Conference on Biomedical Engineering and Biotechnology, 2012, pp. 943-946.