1. Dynamics of the Ili delta with consideration of fluctuations of the level of Lake Balkhash
2. Becker , B. 1997 . “ Sustainability assessment: A review of values, concepts, and methodological approaches ” . Washington , DC :World Bank, Consultative Group on International Agricultural Research, Issues in agriculture 10 .
3. Behnke , R. H. 2003 .Reconfiguring property rights and land use. InProspects for pastoralism in Kazakhstan and Turkmenistan,ed., Edited by: Kerven , C. 75 – 107 . London and New York : Routledge .