translate English to French: Period from 1990-1991 to 1998-1999 The public opinion research projects carried out from 1990-1991 to 1998-1999 were not reviewed in detail, since files were not retained by PWGSC and user departments.
plus, chaque projet de recherche sur l’opinion publique examiné a été soigneusement documenté à partir des documents mis à la disposition de SVC.