الأبحاث العلمية
- Tamsui Oxford J. of information and Math. Sci
- R. M. EL-Ashwah, M. E. Drbuk
- Le matematich
- R. M. EL-Ashwah, M. E. Drbuk
- General Mathematics
- R. M. EL-Ashwah, M. E. Drbuk,
- Southeast Asian Bulletin of Mathematic
- R. M. EL-Ashwah; M. K. Aouf; M. E. Drbuk
- Open Science Journal of Mathematics and Application
- R. M. EL-Ashwah, M. E. Drbuk
- Acta Universitatis Apulensis
- R. M. EL-Ashwah, M. E. Drbuk
- Journal of Fractional Calculus and Applications
- R. M. EL-Ashwah, M. E. Drbuk
- Fundamental Journal of Mathematics and Mathematical Sciences
- R. M. El-ashwah, M. E. Drbuk
- Journal of the Egyptian Mathematical Society
- R. M. EL-Ashwah, M.K. Aouf, M. E. Drbuk
- Int. J. Open Problems Complex Analysis
- R. M. EL-Ashwah, M. K. Aouf, M. E. Drbuk
- Open Science Journal of Mathematics and Application
- R. M. EL-Ashwah, M.E. Drbuk
- Open Science Journal of Bioscience and Bioengineering
- R.M. EL-Ashwah, M.E. Drbuk
- International Journal of Open Problems in Complex Analysis
- R.M. El-Ashwah, M.E. Drbuk
- British Journal of Mathematics & Computer Science
- R. M. EL-Ashwah and M. E. Drbuk
- Electronic Journal of Mathematical Analysis and Applications
- R.M. El-Ashwah, M.K. Aouf, M.E. Drbuk