Observers warn that proposed referendum questions on immigration could cause labour shortages and hinder major infrastructure projects in AlbertaBusinessOct 15 at 7:00 AM – Oct 15 at 9:29 AM4 outletsCanadaCalgary Herald‘Why should I choose Alberta?’: Referendum questions on immigration could leave businesses short of workers, observers say Oct 15 at 7:00 AMFinancial Post‘Why should I choose Alberta?’: Referendum questions on immigration could leave businesses short of workers, observers say seen Oct 15 at 9:26 AMToronto Sun‘Why should I choose Alberta?’: Referendum questions on immigration could leave businesses short of workers, observers say seen Oct 15 at 9:29 AMEdmonton Journal‘Why should I choose Alberta?’: Referendum questions on immigration could leave businesses short of workers, observers say seen Oct 15 at 7:16 AM