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	1.	Local cover image Image from OpenLibrary	A comparative study for ratio estimators / Osama Fathy Abdou Khalil ; Supervised Abdallah Mohamed Abdelfattah , Elsayed Ahmed Elsherpieny , Salah Mahdy Mohamed by Osama Fathy Abdou Khalil Abdallah Mohamed Abdelfattah [] Elsayed Ahmed Elsherpieny [] Salah Mahdy Mohamed [] Material type: Text; Format: print ; Literary form: Not fiction ; Audience: Specialized; Language: eng Publication details: Cairo : Osama Fathy Abdou Khalil , 2010 Dissertation note: Thesis (M.Sc.) - Cairo University - Institute of Statistical Studies and Research - Department of Mathematical Statistics Other title: دراسة مقارنة لمقدرات النسبة Online resources: Click here to access online Availability: Items available for reference: قاعة الرسائل الجامعية - الدور الاول: Not for loan (1)Location, call number: Cai01.18.03.M.Sc.2010.Os.C. مخـــزن الرســائل الجـــامعية - البدروم: Not for loan (1)Location, call number: Cai01.18.03.M.Sc.2010.Os.C. Save to lists Add to cart (remove)
	2.	Local cover image Image from OpenLibrary	Accelerated life tests based on competing risks under censored samples / By Osama Fathy Abdou Khalil; Supervisore Prof. Abd-Allah Mohamed Abd-Elfattah, Prof. El-Sayed Ahmed El-Sherpieny. by Osama Fathy Abdou Khalil [preparation.] Abd-Allah Mohamed Abd-Elfattah [thesis advisor.] El-Sayed Ahmed El-Sherpieny [thesis advisor.] Material type: Text; Format: print ; Literary form: Not fiction ; Audience: Specialized; Language: English Summary language: English, Arabic Producer: 2023 Dissertation note: Thesis (Ph.D)-Cairo University, 2023. Other title: اختبارات الحياة المعجلة المعتمدة على المخاطر المتنافسة بواسطة العينات المراقبة / Availability: Items available for reference: قاعة الرسائل الجامعية - الدور الاول: Not for loan (1)Location, call number: Cai01.18.03.Ph.D.2023.Os.A.. Save to lists Add to cart (remove)