IDRC. Communications Division2016-12-142016-12-141984-01http://hdl.handle.net/10625/55896Text1 digital file (2 p.)application/pdfenNEWSLETTERSDEVELOPMENT AIDDEVELOPMENT RESEARCHScience world (a collection of development-oriented science news briefs that may be used as a column, or as separate items) : blind childrenBulletin or Newsletter