M., A., B., E., O., F., J., K., A., N., C., S., & N., S. (2014). Better than their reputation: Enhancing the validity of contingent valuation mail survey results through citizen expert groups.

M., Ahlheim, Ekasingh B., Fror O., Kitchaicharoen J., Neef A., Sangkapitux C., و Sinphurmsukskul N. Better Than Their Reputation: Enhancing the Validity of Contingent Valuation Mail Survey Results Through Citizen Expert Groups. 2014.

M., Ahlheim, et al. Better Than Their Reputation: Enhancing the Validity of Contingent Valuation Mail Survey Results Through Citizen Expert Groups. 2014.