Alshamrani, Journal of Applied Mathematics, Vol | and Ahmad Alshamrani, International Journal of Reliability and Applications, Vol |
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El-Gohary, Ahmad Alshamrani, and Adel Naif Al-Otaibi, Applied Mathematical Modelling, Vol | Alshamrani, Journal of King Saud University — Science, Vol |
Alnowibet, Discrete Dynamics in Nature and Society, Volume 2015, Article ID 528217, 5 pages, 2015 | 2012, Special Issue, 11 pages 2012 |
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Karawia, and Ahmad Alshamrani, Mathematical Problems in Engineering, Vol |