3. International journal of environmental research and public health. Basel : Molecular Diversity Preservation International, ©2004- SW509 ECON336 SW421 SW470 ATP510 COUN380 PSY209 GEB102 SW290
7. International journal of health promotion and education. Manchester, UK : Institute of Health Education SW503
8. Environmental health perspectives: EHP Research Triangle Park, N.C. : National Institute of Environmental Health Sciences, National Institutes of Health, Dept. of Health, Education and Welfare, 1972- ECON336