%0 Journal Article %T Impact of Commuter Fluctuations on the Headway Regularity of Public Buses in Singapore %A RAMLI, M.A. %A JAYARAMAN, V. %A PING, L.Z. %A HUIJIA, J.L. %A DING, T.W. %A KHOON, G.L.K. %A MONTEROLA, C. %A CHEE, K.H. %A HEONG, T.K. %J Sigma Journal of Engineering and Natural Sciences %D 2016 %V 7 %P 9-19 %R