TY - THES ID - BVMC:865356 AU - Ramírez Salgado, Javier TI - The perceived usefulness of travel time and its implications on the study of travel demand : a study based on northern californian commuters UR - https://www.cervantesvirtual.com/obra/the-perceived-usefulness-of-travel-time-and-its-implications-on-the-study-of-travel-demand-a-study-based-on-northern-californian-commuters-865356 ER -