[1].Osborn, D. (1971). «The Use and Promotion of Sciens in Developing countries>>, Minervea, Volume 9, Number 1, January 1971.
[2]. «Excellence and Opportunity» (2000). Office of Science and Technology, P.27
[3]. Dickson, D. (2004). Nature, 432,271, 30 Nov. 2004.