Test for New Better Than Used in Average at Specific Interval Based on the Total Time on Test Transform. - A. S. Al-Ruzaiza (Egypt. Comput. Sci. J., 2001)

Optimal control of non-homogenous prey-predator models during infinite and finite time intervals. - Awad El-Gohary; A. S. Al-Ruzaiza (Appl. Math. Comput., 2003)

Reliability equivalence of a series-parallel system. - Ammar M. Sarhan; A. S. Al-Ruzaiza; Ibrahim A. Alwasel; Awad El-Gohary (Appl. Math. Comput., 2004)