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Request Verification Requesting Assigning economic value to natural resources / Commission on Geosciences, Environment, and Resources, Commission on Behavioral and Social Sciences and Education, National Research Council Requesting Assigning economic value to natural resources / Commission on Geosciences, Environment, and Resources, Commission on Behavioral and Social Sciences and Education, National Research Council Please enter the following information: For example, type "Jane Smith" and then press the RETURN key. Your Name: 例如, 輸入 "A123456789", 然後按 RETURN 鍵. ID NO.

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