نوع المستند : المقالة الأصلية
المؤلفون
1 Dept. of Statistics, Mathematics and Insurance, Faculty of Commerce, Cairo University, KHARTOUM Branch
2 Dept. of Biostatistics Demography, Institute of Statistical Studies and Research, Cairo University.
3 Dep. of Biostatistics Demography,Institute of Statistical Studies & Research, Cairo University, Egypt
الكلمات الرئيسية
الموضوعات الرئيسية