Zainudin, M.N.S., Sulaiman, M.N., Mustapha, N. and Perumal, T. 2017. Pairwise Classification using Combination of Statistical Descriptors with Spectral Analysis Features for Recognizing Walking Activities. Journal of Telecommunication, Electronic and Computer Engineering (JTEC). 9, 2-11 (Sep. 2017), 55–60.