M. A. Altaha, W. M. Lafta, G. A. Al Ali, and A. A. Alkadhmawee, “Simple and Efficient Key Management Method for Hierarchical Wireless Sensor Networks”, IJEEI, vol. 12, no. 4, pp. 914–925, Nov. 2024, doi: 10.52549/ijeei.v12i4.5782.