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Amponsah, Owusu, Håkan Vigre, Imoro Braimah, Torben Wilde Schou, och Robert Clement Abaidoo. "The Policy Implications of Urban Open Space Commercial Vegetable Farmers’ Willingness and Ability to Pay for Reclaimed Water for Irrigation in Kumasi, Ghana." Heliyon 2016.

Amponsah, Owusu, et al. "The Policy Implications of Urban Open Space Commercial Vegetable Farmers’ Willingness and Ability to Pay for Reclaimed Water for Irrigation in Kumasi, Ghana." Heliyon 2016.