# | Document title | Authors | Year | Source | Cited by |
1 | Better than their reputation: Enhancing the validity of contingent valuation mail survey results through citizen expert groups | Ahlheim M., Ekasingh B., Frör O., Kitchaicharoen J., Neef A., Sangkapitux C., Sinphurmsukskul N. | 2010 | Journal of Environmental Planning and Management, 53(2), pp. 163-182 | 9 |
2 | Economic valuation of environmental benefits in developing and emerging countries: Theoretical considerations and practical evidence from Thailand and the Philippines | Ahlheim M., Frör O., Sinphurmsukskul N. | 2006 | Quarterly Journal of International Agriculture, 45(4 SPEC. ISS.), pp. 397-419 | 2 |