Travelers' services research problem statements.

ग्रंथसूची विवरण
निगमित लेखक: National Research Council (U.S.). Transportation Research Board. Committee A3B05
स्वरूप: पुस्तक
भाषा:English
प्रकाशित: Washington, DC Transportation Research Board, National Research Council [1990]
श्रृंखला:Transportation Research Circular Number 358
विषय: