Seminar on Surveying and Land Economy in Sri Lanka, Colombo, Sri Lanka, October, 1974.

समान संसाधन

• Sri Lanka /
  प्रकाशित: (1983)
• Sri Lanka /
  प्रकाशित: (1985)
• Report of the proceedings of a seminar on surveying and land economy in Sri Lanka, held at the Bandaranaike Memorial International Conference Hall, Colombo, on 2-4 October 1974.
  प्रकाशित: (1974)
• Ecology and landscape management in Sri Lanka : proceedings of the International and Interdisciplinary Symposium, Colombo, Sri Lanka, 12-26 March 1990 /
  प्रकाशित: (1991)
• Sri Lanka labour gazette.
  प्रकाशित: (1972)