Browsing TRF - 2012 by Subject "Data collection"

Sort by: Order: Results:

  • Jayasekera, DAS; Mampearachchi, WK [Conference-Abstract]
    Road transportation is the dominant mode of transportation in Sri Lanka. The vehicular fleet in Sri Lanka is divided in to two categories as Petrol and Diesel. The highest expenditure in the country is spent for the imported ...