1. United Nations General Assembly—Thirty-seventh Sessionhttp://www.unoosa.org/pdf/gares/ARES_37_90E.pdf
2. UN Document A/AC.105/456, Annex II, Paragraph 4 (n), Report of the Scientific and Technical Subcommittee on the Work of its 27th Session, 12 March 1990,1990
3. UN Document A/RES/54/68, Paragraph 11(d), Third United Nations Conference on the Exploration and Peaceful Uses of Outer Space, 11 February 2000,2000
4. CROSS BORDER EDUCATION IN GEOINFORMATION TECHNOLOGIES AND APPLICATIONS IN ASIA AND THE PACIFIC – A CSSTEAP EXPERIENCE
5. Capacity-Building in Space Science and Technology: Regional Centres for Space Science and Technology Education affiliated to the United Nations,2008