Ali, Mohammad Idrish, Belayat Hossain Siddiquee, Md Azharul Islam, AFM Ekramuddaula, Sheikh Hasanur Rahman, and Mohammad Abdus Sattar. 2011. “Topographical Distribution of Sinonasal Malignancy”. Bangladesh Journal of Otorhinolaryngology 17 (1):21-28. https://doi.org/10.3329/bjo.v17i1.7619.