| 1. | Impact of Negative Variance Component Estimates on the Kenward-Roger Test for Fixed Effects in Linear Mixed Models | |
| Pages 1-18 | ||
| Waseem Alnosaier | ||
| 2. | Modified Ridge Logistic Estimator Based on Singular Value Decomposition | |
| Pages 19-35 | ||
| Mostafa Kamal; Monira Ahmed Hussein | ||