Phạm Quốc Cường, Lê Thanh Long, Phạm Huy Hoàng, Nguyễn Hữu Dũng, and Phùng Thanh Huy, “Research on Optimizing Omnidirectional Control Algorithms for Patient Care Nurse Robots”, JTE, vol. 21, no. 02(V), pp. 11–22, May 2026.