Bajpai, Manas, and Nilesh Pardhe. “An Insight into the Histopathology of Oral Neoplasms With Basaloid Morphology and a Working Classification”. PJP, vol. 2, no. 2, Sept. 2017, p. 20, https://philippinejournalofpathology.org/index.php/PJP/article/view/69.