| | B.M. Weedy and H. M. El-Zayyat, | IEEE Insulated Conductors Committee, | IEEE Power Eng. Society Conference, | | Summer Meeting, July 1972. |
 | | H. M. El-Zayyat, I. Badran and Gassan Halasa | American Journal of Applied Science | 5 (7) 763-768 | | 2008 |
| | H. M. El-Zayyat, Gassan Halasa and I. Badran | American Journal of Applied Science. | 4(12) 1075-1078 | | 2007 |
| | . H. M. El-Zayyat, A. A. Ibrahim and F. Amoura | (Modelling, Measurement & Control, A. AMSE Press | , Vol. 63, No. 1. pp. 55-64 | | 1995 |
| | A. A. Ibrahim, F. K. Amoura and H. M. El-Zayyat | First Engineering Conference | pp. 487-498. | | 1995 |
| | F. K. Amoura and H. M. El-Zayyat | (Series B:Pure & Applied Sciences) | Vol. 19B, No. 2 | | 1992 |
| | M. F. Abusharkh, M. H. Abdel-Rahman and H. M. El-Zayyat | GIGRE, (International Conference on Large High Voltage Electric Systems) | No. 13-301 | | 1992 |
| | F.K. Amoura and H. M. El-Zayyat | (Series B: Pure & Applied Sciences) | Vol. 19B, No. 4. | | 1992 |
| | Hafez M. El-Zayyat, Zuhair H. El-ISa, Adel A. El-Tayem and Bahjat A. Abdel-Fattah | Mansoura Engineering Journal (MEJ) | Vol. 17, No. 2 | | 1992 |
| | Hafez El-Zayyat, Zainel-Abideen Tahboub and Fawwaz El-Karmi | Mansoura Engineering Journal (MEJ | Vol. 16, No, 2 | | 1991 |
| | F. Z. El-Karmi, H. M. El-Zayyat and Z. A. Tahboub | Mansoura Engineering Journal (MEJ) | Vol. 16, No. 2 | | 1991 |
| | | Scientific Engineering Bulletin, Journal of Faculty of Engineering | Vol. 37, No. 4 | | 1990 |
| | | Journal of Faculty of Engineering | Vol. 37, No. 3 | | 1990 |
| | | | Vol. 17B, No. 1 | | 1990 |
| | Hafez M. El-Zayyat and Ahmed A. Hiyasat | Scientific Engineering Bulletin, Journal of Faculty of Engineering | vol. 36, No. 3 | | 1989 |
| | Hafez M. El-Zayyat and M. Mahmoud | | Vol. 135, Pt. C., No. 5 | | 1988 |
| | | Dirasat, University of Jordan | Vol. XIV, No. 9 | | 1987 |
| | Hafez M. El-Zayyat and Haldun Gurmen | The Transactions of IEICE (Japan) | Vol. E70, No. 11 | | 1987 |
| | H.M. El-Zayyat and M. Mahmoud | Dirasat (Natural Sciences),Journal of University of Jordan | Vol. XIII, No. 10 | | 1986 |
| | | Dirasat (Natural Sciences), Journal of University of Jordan | Vol. XIII, No. 10 | | 1986 |
| | G. Halasa and H. M. El-Zayyat | Dirasat (Natural Sciences), Journal of University of Jordan | Vol. XII, No. 9. | | 1985 |
| | M. Abdulsalam , D. DAlabeh and H.M. El-Zayyat | | 84:40B | | 1984 |
| | B.M. Weedy and H.M. El-Zayyat, | | Vol. 92, No. 1 | | 1973 |
