5Chih-Yang Hu,Dionne J. Raymond.Lessons learned from hazardous chemical incidents—Louisiana Hazardous Substances Emergency Events Surveillance (HSEES) system[J].Journal of Hazardous Materials.2004(1)
6Lenburg C.The framework,concepts and methods of thecompetency outcomes and performance assessment (CO-PA)model. http://www.nurs-ingworld.org/MainMenuCategories/ANAMarketplace/ANAPeriodicals/OJIN/Tableofc0ntents/Volume41999/No2Sepl999/COPAMode1.aspx . 2009