1956 - , Economist with the Committee on Scholary Communication with the People's Republic of China at the National Acad. of Sciences; Washington D.C. (1987); China and Mongolia Dep.; World Bank (1995)
1956 - , Economist with the Committee on Scholary Communication with the People's Republic of China at the National Acad. of Sciences; Washington D.C. (1987); China and Mongolia Dep.; World Bank (1995)