Columbia subject headings:
Harvard subject headings:
Kazakhstan--Economic conditions--1991-
Kazakhstan--Economic policy--1991-
Petroleum industry and trade--Kazakhstan.
Petroleum industry and trade--Turkmenistan.
Turkmenistan--Economic conditions--1991-
Turkmenistan--Economic policy--1991-
Princeton subject headings:
Kazakhstan--Economic conditions--1991-
Kazakhstan--Economic policy--1991-
Petroleum industry and trade--Kazakhstan.
Petroleum industry and trade--Turkmenistan.
Turkmenistan--Economic conditions--1991-
Turkmenistan--Economic policy--1991-