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A comparison of mode effects between face-to-face and drop-off contingent valuation surveys
Ma, Hua, Liu, Hui, Gong, Yazhen, Jin, Jianjun, Mao, XianqiangVolume:
7
Language:
english
Journal:
China Agricultural Economic Review
DOI:
10.1108/caer-01-2014-0010
Date:
September, 2015
File:
PDF, 220 KB
english, 2015