Velusamy, M., Soorya, P. K., Sivasubramanian, P., Ajith, K. M., Thresh, K. D., Mika, S., Saleh, A. A. (2026). Retraction notice to "Process parameters optimization of EDM for hybrid aluminum MMC using hybrid optimization technique" [Heliyon 10 (2024) e35555]. Heliyon. https://doi.org/10.1016/j.heliyon.2026.e45150