4Jorgensen, Bradley S; et al. "Fairness in the contingent valuation of environmental public goods: attitude toward paying for environmental improvements at two levels of scope" [J] . Ecological Economics, 2001, Volume: 36,Issue: 1, 133 - 148.?A
5Chung S - S; Poon C - S. "A comparison of waste -reduction practices and new environmental paradigm of rural and urban Chinese citizens[J] . Journal of Environmental Management, 2001, Volume: 62, Issue: 1, 3- 19.?A
6Weaver Robert D, et al. "Efficacy of Standards vs.Incentives for Managing the Environmental Impacts of Agriculture" [J], Journal of Environmental Management,1996, Volume: 46, Issue: 2, 173-188.?A
