T. Le Thi Mai, V. Tran Anh, H. Hoang Quang, T. Lai Huu Phuong, and H. Vu Duy, “A Review of Non-Invasive Blood Glucose Monitoring Using Near-Infrared NIR Spectroscopy - Technologies and Challenges”, SSAD, vol. 36, no. 3, Jun. 2026.