symposium on problems relating to environment معنى
- ندوة بشأن المشاكل المتعلقة بالبيئة
كلمات ذات صلة
- symposium on population and development معنى
- symposium on population and the family معنى
- symposium on population changes and economic development معنى
- symposium on problems and positive results of scientific research in genetics and ethics معنى
- symposium on project financing and financial markets معنى
- symposium on quality in nuclear power plant operations معنى
- symposium on radiological research necessary for improvement of radiotherapy of cancer معنى
- symposium on refugees and forced population displacements in africa معنى