Authors: DALE WHITTINGTON V. KERRY SMITH APIA OKORAFOR AUGUSTINE OKORE JIN LONG LIU ALEXANDER McPHAIL.

Citation: DALE WHITTINGTON et al., Giving Respondents Time to Think in Contingent Valuation Studies: A Developing Country Application, Journal of environmental economics and management, 22(03), 1992, pp. 205