international symposium on the geology of tin معنى
- الندوة الدولية المعنية بجيولوجية القصدير
كلمات ذات صلة
- international symposium on the behaviour of tritium in the environment معنى
- international symposium on the causes and consequences of conflicts معنى
- international symposium on the effects of urbanization and industrialization on the hydrological regime and on water quality معنى
- international symposium on the future of the mediterranean region معنى
- international symposium on the future of urban employment معنى
- international symposium on the integration of young people into society معنى
- international symposium on the mitigation of the effects of seismic activity on human settlements معنى
- international symposium on the mobilization of personal savings in developing countries معنى
- international symposium on the news media and disarmament معنى