Ahmed, S., A. Delwar, J. A. Mazumder, M. S. Rashid, M. A. M. Khan, M. Mahamud, and M. M. Rahman. “Patterns of Neck Node Metastasis in Carcinoma of Oral Cavity”. Bangladesh Journal of Otorhinolaryngology, vol. 26, no. 2, Dec. 2020, pp. 102-8, doi:10.3329/bjo.v26i2.50610.