الأمثل للتعدين الأسلوب رمادية أسلوب صنع القرار موضوعية ...
Sawiris Foundation for Social Development. Reducing Poverty and Improving Environmental and Health Conditions in Manshiet Nasser – Phase III Due to the deterioration of health and environment services in the community of garbage collectors, the residents of "Manshiet Nasser and Al-Wehda AL-Wataniya (National Unity area) are suffering from the spread of diseases that resulted from poor ...