Ali, A. E. K., A. F. Ghaleb, M. S. Abou-Dina, and M. A. Helal, "Annular unidirectional slip Couette flow with heat transfer and variable viscosity by Laplace transform and homotopy perturbation method", Numerical Heat Transfer, Part A: Applications: Taylor & Francis, pp. 1–16, 2024. Abstract
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He, J. - H., T. Zhong, L. Xu, L. Marek-Crnjac, S. Nada, and A. M. Helal, Nonlinear Science Letters B, : A, 2011. Abstract
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Gates, T. K., W. O. Ree, and M. Helal, Hydraulic design of a canal system for gravity irrigation., , 1983. Abstract
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Ali, A. E. K., A. F. Ghaleb, M. S. Abou-Dina, and M. A. Helal, "Laplace transform solution of the time-dependent annular Couette flow with dynamic wall slip", Journal of the Brazilian Society of Mechanical Sciences and Engineering, vol. 45, no. 11: Springer Berlin Heidelberg Berlin/Heidelberg, pp. 586, 2023. Abstract
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Wahby, H., M. Quenemoen, and M. Helal, EGYPT WATER USE AND MANAGEMENT PROJECT, , 1984. Abstract
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Gates, T., M. Helal, and W. D. Ree, Hydraulic Design of a Canal System for Gravity Irrigation, : EWUP, 1984. Abstract
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Wahby, H., G. Quenemoen, M. Helal, and others, A procedure for evaluating the cost of lifting water for irrigation in Egypt, : Colorado State University. Libraries, 1984. Abstract
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