Prelis, S.P.2010-07-062010-07-061998Journal of the National Science Council of Sri Lanka, 26(4):p.249-274https://dl.nsf.gov.lk/handle/1/6118"The term,"economic and technical aid",was in the 1940s.In the 1960s,this was changed to "technical co-operation"as the donor,who offered aid,and the recipient,who received it ,took more seriously the mutual co-operation that was needed.From the early 1970s,two new dimensions in technical cooperation were evolved by UN:(i)the country programme approach and (ii)mutual technical co-operation among developing countries (TCDC).International co-operation programmes by National Science Foundation are discussed.Information servicesInternational co-operationScience and TechnologyArticle