Ragaei, M.2007-11-121991-04-012007-11-121990http://hdl.handle.net/10625/11692Text1 digital file (59 p. : ill.)application/pdfenPEST CONTROLSOIL CHEMISTRYCANADAEGYPTRESEARCH RESULTSIsolation of Bacillus thuringiensis from Western Canadian soils : report of work, June 1989-June 1990Working Paper