M. A. Yusof, N. D. . Kamarudin, S. B. . Rahayu, S. N. . Makhtar, H. Mohamed, and N. Tajudin, “Prototyping Digital Tongue Diagnosis System on Raspberry Pi ”, IJIE, vol. 13, no. 5, pp. 146–155, Jun. 2021, Accessed: Aug. 07, 2026. [Online]. Available: https://journal.uthm.edu.my/index.php/ijie/article/view/8841