Food and Agriculture Organization of the United Nations & Frenken, K. (2013). Irrigation in Central Asia in figures: AQUASTAT survey - 2012. Food and Agriculture Organization of the United Nations.

Food and Agriculture Organization of the United Nations and Karen Frenken. Irrigation in Central Asia in Figures: AQUASTAT Survey - 2012. Rome: Food and Agriculture Organization of the United Nations, 2013.

Food and Agriculture Organization of the United Nations and Karen Frenken. Irrigation in Central Asia in Figures: AQUASTAT Survey - 2012. Food and Agriculture Organization of the United Nations, 2013.