Nofal, B., A. Tharwat, O. El-Aguizy, and I. El-Khodary, "An Optimization Model for Exploring the Egyptian Royal Pyramids Locations", Mediterranean Archaeology and Archaeometry, vol. 21, issue 2, pp. 129-140, 2021.
Fathi, A. Y., I. A. El-Khodary, and M. Saafan, "A Hybrid Model Integrating Singular Spectrum Analysis and Backpropagation Neural Network for Stock Price Forecasting", Revue d'Intelligence Artificielle, vol. 35, issue 6, pp. 483-488, 2021.
Khater, H., A. El-Sawy, A. Tharwat, and I. El-Khodary, "Solving Max-Min Separable Problem Using Hybrid Particle Swarm Optimization", International Journal of Intelligent Engineering and Systems, vol. 14, issue 3, pp. 303-318, 2021.
AboElHamd, E., H. Shamma, M. Saleh, and I. El-Khodary, "Neutrosophic Logic Theory and Applications", Neutrosophic Sets and Systems, vol. 41, issue 1, pp. 30-51, 2021.
AboElHamd, H. E., Shamma, M. Saleh, and I. El-Khodary, "Customer Engagement Value: Process, Limitations, and Future Research", Journal of Modelling in Management, 2021.
AboElHamd, E., M. Abdel-Basset, H. Shamma, M. Saleh, and I. El-Khodary, "Modeling Customer Lifetime Value under Uncertain Environment", Neutrosophic Sets and Systems, vol. 39, issue 1, pp. 10-30, 2021.
El-Demerdash, B. E., A. A. Tharwat, and I. A. El-Khodary, "A Unified Mathematical Model for Stochastic Data Envelopment Analysis", International Journal of Service Science, Management, Engineering, and Technology (IJSSMET), vol. 12, issue 1, pp. 127-142, 2021.
Jamal, M. A., I. A. El-Khodary, and D. A. Saleh, "Developing a Two-stage Data Envelopment Analysis Model Handling Rough Variables", 2021 International Conference on Data Analytics for Business and Industry (ICDABI), Bahrain, 25 October, 2021.
El-Bidweihy, R. H., H. M. Abdelsalam, and I. A. El-Khodary, "Scenario and Decision Analysis for Solar Energy in Egypt by 2035 Using Dynamic Bayesian Network", International Journal of Cognitive and Language Sciences, vol. 15, issue 9, pp. 838-852, 2021.
Khater, H., A. El-Sawy, A. Tharwat, and I. El-Khodary, "Solving Optimization Problem under Stochastic Max-Min Separable Linear Constraints", International Journal of Computer Science and Mobile Computing, vol. 10, issue 4, pp. 80-89, 2021.