Christin, Gloriani Novita, Ofyar Z. Tamin, Idwan Santosa, and Miming Miharja. 2014. “Adjustment of Daily Activities: The Influence of Smartphone Adoption on the Travel Pattern of Mobile Professionals in the Greater Jakarta Area”. Journal of Engineering and Technological Sciences 46 (4):394-409. https://doi.org/10.5614/j.eng.technol.sci.2014.46.4.4.