Mangubat, F. G. Speed flow relationships and passenger car equivalent for truck in Philippine expressways.
Chicago-referens (17:e uppl.)Mangubat, Frederick G. Speed Flow Relationships and Passenger Car Equivalent for Truck in Philippine Expressways.
MLA-referens (9:e uppl.)Mangubat, Frederick G. Speed Flow Relationships and Passenger Car Equivalent for Truck in Philippine Expressways.
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