| 1. | New Results Concerning Inactivity Time, with Applications | |
| Pages 1-9 | ||
| M.A. Ibrahim; A.N. Ahmed | ||
| 2. | Size and Shape of Plots for Wheat Yield Trials in Field Experiments | |
| Pages 10-24 | ||
| Mervat Talaat El-Mehalawey; Mohamed Saad abd El-Aty | ||
| 3. | Simulation Study for Nonparametric (M/ Gk/k): (FCFS/∞/∞) Queueing Models | |
| Pages 25-52 | ||
| El-Dash A.A.; Abo El-Hadid S. | ||
| 4. | Cost Analysis of Two-Unit Cold Standby Repairable Redundant System Involving Common Cause Failures and Preventive Maintenance | |
| Pages 53-64 | ||
| M.Y. Haggag; Mahmoud Sabry saif; Heba Nagaty Mohamed | ||
| 5. | تقويم البرنامج التعليمي بكلية اقتصاد الزاوية بجامعة الزاوية | |
| Pages 1-21 | ||
| السيد خاطر | ||
| 6. | دراسة اقتصادية لاستجابة عرض محصول قصب السكر في مصر | |
| Pages 23-40 | ||
| ايمان فريد امين قادوس | ||
