Highway design and maintenance in developing countries

Ижил төстэй зүйлс

• Highway design and maintenance in developing countries
  -н: Seminar on Highway Design and Maintenance in Developing Countries (1980 : University of Warwick), зэрэг
  Хэвлэсэн: (1980)
• Highway design and maintenance in developing countries
  -н: Seminar on Highway Design and Maintenance in Developing Countries (1981 : University of Warwick)
  Хэвлэсэн: (1981)
• Highway design and maintenance in developing countries
  -н: Seminar on Highway Design and Maintenance in Developing Countries (1979 : University of Warwick), зэрэг
  Хэвлэсэн: (1979)
• Highway construction and maintenance /
  -н: Seminar on Highway Construction and Maintenance ( 1982 : University of Warwick), зэрэг
  Хэвлэсэн: (1982)
• Highway construction and maintenance /
  -н: Seminar on Highway Construction and Maintenance (1980: University of Warwick, England), зэрэг
  Хэвлэсэн: (1980)