Rith, M., N. S. Lopez, A. M. Fillone, and J. B. M. Biona. “Determinants of individual vehicle type choice and energy consumption in a heavy traffic metropolis of Southeast Asia featuring the case of Metro Manila”. Engineering and Applied Science Research, vol. 47, no. 1, Mar. 2020, pp. 56-65, https://ph01.tci-thaijo.org/index.php/easr/article/view/194890.