ZHU, Z. Water Development Strategies for the Aral Sea Region. Proc. Of the 7th World Congress on Water Resources. 1991
WATANABE, T. Reclaimed Paddy Field in a Desert of Kazakhstan. Paddy Fields in the World. 1995, 123-136
WATANABE, T. present Problems and Future Prospects of Paddy Fields in Kazakhstan. Proc. of Symp. On the Aral Sea and the Surrounding Region. 1995, 123-128
ZONN, I. S. Reforming of Land and Water Management the Key for Sustainable Development in the Aral Sea Basin. Proc. of 3rd Intl. Symp. on Land and Water Management Sustainable Environment in the Aral Sea Basin. 1996, 17-20